Details about Enrico Scalas

Homepage:	https://corsidilaurea.uniroma1.it/it/users/enricoscalasuniroma1it
Phone:	+39 06 4991 0463
Postal address:	Department of Statistical Sciences Sapienza University of Rome Piazzale Aldo Moro 5, 00185 Roma RM Italy
Workplace:	Dipartimento di Scienze Statistiche (Department of Statistics), "Sapienza" Università di Roma (Sapienza University of Rome), (more information at EDIRC)

Access statistics for papers by Enrico Scalas.

Last updated 2026-03-10. Update your information in the RePEc Author Service.

Short-id: psc89

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Working Papers

2023

1. The rough Hawkes process
   LIDAM Discussion Papers ISBA, Université catholique de Louvain, Institute of Statistics, Biostatistics and Actuarial Sciences (ISBA)
   Also in LIDAM Reprints ISBA, Université catholique de Louvain, Institute of Statistics, Biostatistics and Actuarial Sciences (ISBA)
   See also Journal Article The rough Hawkes process, Communications in Statistics - Theory and Methods, Taylor & Francis Journals (2025) (2025)

2021

2. A stylized model for wealth distribution
   Papers, arXiv.org

2020

3. Continuum and thermodynamic limits for a simple random-exchange model
   Papers, arXiv.org
   See also Journal Article Continuum and thermodynamic limits for a simple random-exchange model, Stochastic Processes and their Applications, Elsevier (2022) View citations (1) (2022)

2019

4. Fat Tails in Financial Return Distributions Revisited: Evidence from the Korean Stock Market
   Papers, arXiv.org View citations (16)
   See also Journal Article Fat tails in financial return distributions revisited: Evidence from the Korean stock market, Physica A: Statistical Mechanics and its Applications, Elsevier (2019) View citations (18) (2019)

2017

5. Modeling non-stationarities in high-frequency financial time series
   Papers, arXiv.org
   See also Journal Article Modeling non-stationarities in high-frequency financial time series, Physica A: Statistical Mechanics and its Applications, Elsevier (2019) View citations (8) (2019)
6. Performance of information criteria used for model selection of Hawkes process models of financial data
   Papers, arXiv.org View citations (1)

2016

7. Low-traffic limit and first-passage times for a simple model of the continuous double auction
   Papers, arXiv.org View citations (1)
   See also Journal Article Low-traffic limit and first-passage times for a simple model of the continuous double auction, Physica A: Statistical Mechanics and its Applications, Elsevier (2017) View citations (1) (2017)

2015

8. Large scale simulation of synthetic markets
   LSE Research Online Documents on Economics, London School of Economics and Political Science, LSE Library View citations (2)

2014

9. A spectral perspective on excess volatility
   Working Papers, Economics Department, Universitat Jaume I, Castellón (Spain) View citations (2)
   Also in FinMaP-Working Papers, Collaborative EU Project FinMaP - Financial Distortions and Macroeconomic Performance: Expectations, Constraints and Interaction of Agents (2014) View citations (1)
   See also Journal Article A spectral perspective on excess volatility, Applied Economics Letters, Taylor & Francis Journals (2015) View citations (1) (2015)

2013

10. Ergodic transition in a simple model of the continuous double auction
    Papers, arXiv.org
    See also Journal Article Ergodic Transition in a Simple Model of the Continuous Double Auction, PLOS ONE, Public Library of Science (2014) View citations (4) (2014)

2012

11. A parsimonious model for intraday European option pricing
    Papers, arXiv.org
    Also in Economics Discussion Papers, Kiel Institute for the World Economy (2012)
12. Analysis of short term price trends in daily stock-market index data
    Papers, arXiv.org View citations (2)
13. On the non-stationarity of financial time series: impact on optimal portfolio selection
    Papers, arXiv.org View citations (17)

2011

14. A class of CTRWs: Compound fractional Poisson processes
    Papers, arXiv.org View citations (3)
15. Full characterization of the fractional Poisson process
    Papers, arXiv.org View citations (9)
16. The fine structure of spectral properties for random correlation matrices: an application to financial markets
    MPRA Paper, University Library of Munich, Germany View citations (18)
    Also in Papers, arXiv.org (2011) View citations (23)

2010

17. On-line trading as a renewal process: Waiting time and inspection paradox
    Papers, arXiv.org View citations (2)

2009

18. Spectral densities of Wishart-Levy free stable random matrices: Analytical results and Monte Carlo validation
    Papers, arXiv.org
19. Stochastic calculus for uncoupled continuous-time random walks
    Papers, arXiv.org View citations (8)
20. The Kuznets Curve and the Inequality Process
    MPRA Paper, University Library of Munich, Germany View citations (5)

2008

21. A Note on Aoki-Yoshikawa Model
    Economics Discussion Papers, Kiel Institute for the World Economy
22. Activity spectrum from waiting-time distribution
    Papers, arXiv.org
    See also Journal Article Activity spectrum from waiting-time distribution, Physica A: Statistical Mechanics and its Applications, Elsevier (2007) View citations (4) (2007)
23. Stochastic integration for uncoupled continuous-time random walks
    MPRA Paper, University Library of Munich, Germany
24. The distribution of first-passage times and durations in FOREX and future markets
    Papers, arXiv.org View citations (2)
    See also Journal Article The distribution of first-passage times and durations in FOREX and future markets, Physica A: Statistical Mechanics and its Applications, Elsevier (2009) View citations (6) (2009)

2007

25. The value of information in a multi-agent market model
    Papers, arXiv.org View citations (9)
    Also in MPRA Paper, University Library of Munich, Germany (2006)
    See also Journal Article The value of information in a multi-agent market model, The European Physical Journal B: Condensed Matter and Complex Systems, Springer (2007) View citations (10) (2007)
26. The value of information in financial markets: An agent-based simulation
    Papers, arXiv.org View citations (2)

2006

27. Coupled continuous time random walks in finance
    Papers, arXiv.org View citations (21)
    See also Journal Article Coupled continuous time random walks in finance, Physica A: Statistical Mechanics and its Applications, Elsevier (2006) View citations (20) (2006)
28. Growth and Allocation of Resources in Economics: The Agent-Based Approach
    Papers, arXiv.org View citations (4)
    Also in Post-Print, HAL (2006) View citations (3)
    See also Journal Article Growth and allocation of resources in economics: The agent-based approach, Physica A: Statistical Mechanics and its Applications, Elsevier (2006) View citations (4) (2006)
29. Mixtures of compound Poisson processes as models of tick-by-tick financial data
    Papers, arXiv.org View citations (3)
    See also Journal Article Mixtures of compound Poisson processes as models of tick-by-tick financial data, Chaos, Solitons & Fractals, Elsevier (2007) View citations (4) (2007)
30. The art of fitting financial time series with Levy stable distributions
    Papers, arXiv.org View citations (7)
    Also in MPRA Paper, University Library of Munich, Germany (2006) View citations (7)
31. Waiting times between orders and trades in double-auction markets
    Papers, arXiv.org View citations (25)
    See also Journal Article Waiting times between orders and trades in double-auction markets, Physica A: Statistical Mechanics and its Applications, Elsevier (2006) View citations (23) (2006)

2005

32. Anomalous waiting times in high-frequency financial data
    Papers, arXiv.org View citations (2)
    Also in Papers, arXiv.org (2003) View citations (3)
    See also Journal Article Anomalous waiting times in high-frequency financial data, Quantitative Finance, Taylor & Francis Journals (2004) View citations (20) (2004)
33. Basel II for Physicists: A Discussion Paper
    Papers, arXiv.org View citations (1)
34. Five Years of Continuous-time Random Walks in Econophysics
    Finance, University Library of Munich, Germany View citations (2)
    Also in Papers, arXiv.org (2005) View citations (3)
    See also Chapter Five Years of Continuous-time Random Walks in Econophysics, Lecture Notes in Economics and Mathematical Systems, Springer (2006) View citations (16) (2006)

2004

35. A double-auction artificial market with time-irregularly spaced orders
    Computing in Economics and Finance 2004, Society for Computational Economics
36. Correlations in the Bond–Future Market
    Finance, University Library of Munich, Germany
    Also in Papers, arXiv.org (1999) View citations (2)
    See also Journal Article Correlations in the bond-future market, Physica A: Statistical Mechanics and its Applications, Elsevier (1999) View citations (2) (1999)
37. Fractional calculus and continuous-time finance
    Finance, University Library of Munich, Germany View citations (15)
    Also in Papers, arXiv.org (2000) View citations (141)
    See also Journal Article Fractional calculus and continuous-time finance, Physica A: Statistical Mechanics and its Applications, Elsevier (2000) View citations (142) (2000)
38. Fractional calculus and continuous-time finance II: the waiting- time distribution
    Finance, University Library of Munich, Germany View citations (8)
    Also in Papers, arXiv.org (2000) View citations (138)
    See also Journal Article Fractional calculus and continuous-time finance II: the waiting-time distribution, Physica A: Statistical Mechanics and its Applications, Elsevier (2000) View citations (126) (2000)
39. On pricing of interest rate derivatives
    Papers, arXiv.org View citations (2)
    See also Journal Article On pricing of interest rate derivatives, Physica A: Statistical Mechanics and its Applications, Elsevier (2004) View citations (2) (2004)
40. Speculative option valuation: A supercomputing approach
    Computing in Economics and Finance 2004, Society for Computational Economics
41. Volatility in the Italian Stock Market: An Empirical Study
    Finance, University Library of Munich, Germany
    Also in Papers, arXiv.org (1999) View citations (6)
    See also Journal Article Volatility in the Italian stock market: an empirical study, Physica A: Statistical Mechanics and its Applications, Elsevier (1999) View citations (6) (1999)
42. Waiting-times and returns in high-frequency financial data: an empirical study
    Finance, University Library of Munich, Germany View citations (4)
    Also in Papers, arXiv.org (2002) View citations (76)
    See also Journal Article Waiting-times and returns in high-frequency financial data: an empirical study, Physica A: Statistical Mechanics and its Applications, Elsevier (2002) View citations (76) (2002)

2000

43. Learning short-option valuation in the presence of rare events
    Papers, arXiv.org View citations (1)
44. The waiting-time distribution of LIFFE bond futures
    Papers, arXiv.org View citations (1)

Journal Articles

2025

1. The rough Hawkes process
   Communications in Statistics - Theory and Methods, 2025, 54, (11), 3322-3349
   See also Working Paper The rough Hawkes process, LIDAM Discussion Papers ISBA (2023) (2023)

2023

2. A fractional Hawkes process II: Further characterization of the process
   Physica A: Statistical Mechanics and its Applications, 2023, 615, (C) View citations (2)
3. Fractional non-homogeneous Poisson and Pólya-Aeppli processes of order k and beyond
   Communications in Statistics - Theory and Methods, 2023, 52, (8), 2682-2701

2022

4. An empirical data analysis of “price runs” in daily financial indices: Dynamically assessing market geometric distributional behavior
   PLOS ONE, 2022, 17, (7), 1-25 View citations (1)
5. Continuum and thermodynamic limits for a simple random-exchange model
   Stochastic Processes and their Applications, 2022, 149, (C), 248-277 View citations (1)
   See also Working Paper Continuum and thermodynamic limits for a simple random-exchange model, Papers (2020) (2020)

2021

6. Limitations of portfolio diversification through fat tails of the return Distributions: Some empirical evidence
   The North American Journal of Economics and Finance, 2021, 56, (C) View citations (3)

2019

7. Fat tails in financial return distributions revisited: Evidence from the Korean stock market
   Physica A: Statistical Mechanics and its Applications, 2019, 526, (C) View citations (18)
   See also Working Paper Fat Tails in Financial Return Distributions Revisited: Evidence from the Korean Stock Market, Papers (2019) View citations (16) (2019)
8. Modeling non-stationarities in high-frequency financial time series
   Physica A: Statistical Mechanics and its Applications, 2019, 521, (C), 173-196 View citations (8)
   See also Working Paper Modeling non-stationarities in high-frequency financial time series, Papers (2017) (2017)

2018

9. Editors’ foreword
   Quantitative Finance, 2018, 18, (2), 191-192
10. Performance of information criteria for selection of Hawkes process models of financial data
    Quantitative Finance, 2018, 18, (2), 225-235 View citations (6)

2017

11. Continuous-time statistics and generalized relaxation equations
    The European Physical Journal B: Condensed Matter and Complex Systems, 2017, 90, (11), 1-5
12. Low-traffic limit and first-passage times for a simple model of the continuous double auction
    Physica A: Statistical Mechanics and its Applications, 2017, 485, (C), 61-72 View citations (1)
    See also Working Paper Low-traffic limit and first-passage times for a simple model of the continuous double auction, Papers (2016) View citations (1) (2016)
13. The fractional non-homogeneous Poisson process
    Statistics & Probability Letters, 2017, 120, (C), 147-156 View citations (6)

2015

14. A spectral perspective on excess volatility
    Applied Economics Letters, 2015, 22, (9), 745-750 View citations (1)
    See also Working Paper A spectral perspective on excess volatility, Working Papers (2014) View citations (2) (2014)
15. Wealth distribution and the Lorenz curve: a finitary approach
    Journal of Economic Interaction and Coordination, 2015, 10, (1), 79-89

2014

16. A functional limit theorem for stochastic integrals driven by a time-changed symmetric α-stable Lévy process
    Stochastic Processes and their Applications, 2014, 124, (1), 385-410 View citations (5)
17. Ergodic Transition in a Simple Model of the Continuous Double Auction
    PLOS ONE, 2014, 9, (2), 1-5 View citations (4)
    See also Working Paper Ergodic transition in a simple model of the continuous double auction, Papers (2013) (2013)

2011

18. Semi-Markov Graph Dynamics
    PLOS ONE, 2011, 6, (8), 1-13 View citations (5)

2010

19. Spectral densities of Wishart-Lévy free stable random matrices
    The European Physical Journal B: Condensed Matter and Complex Systems, 2010, 73, (1), 13-22

2009

20. A Dynamic Probabilistic Version of the Aoki-Yoshikawa Sectoral Productivity Model
    Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), 2009, 3, 1-10 View citations (6)
21. A random telegraph signal of Mittag-Leffler type
    Physica A: Statistical Mechanics and its Applications, 2009, 388, (19), 3991-3999
22. EDITORIAL: COMPLEX NETWORKS
    Advances in Complex Systems (ACS), 2009, 12, (01), 1-2
23. From Renewal Theory to High-Frequency Finance
    European Journal of Economic and Social Systems, 2009, 22, (1), 83-98
24. The distribution of first-passage times and durations in FOREX and future markets
    Physica A: Statistical Mechanics and its Applications, 2009, 388, (14), 2839-2853 View citations (6)
    See also Working Paper The distribution of first-passage times and durations in FOREX and future markets, Papers (2008) View citations (2) (2008)

2008

25. Accuracy and robustness of clustering algorithms for small-size applications in bioinformatics
    Physica A: Statistical Mechanics and its Applications, 2008, 387, (25), 6310-6318 View citations (1)
26. Analysis of price fluctuations in futures exchange markets
    Physica A: Statistical Mechanics and its Applications, 2008, 387, (12), 2823-2830 View citations (1)
27. Dynamical behaviors of inter-out-of-equilibrium state intervals in Korean futures exchange markets
    Physica A: Statistical Mechanics and its Applications, 2008, 387, (12), 2831-2836
28. Editorial
    Journal of Economic Interaction and Coordination, 2008, 3, (1), 1-1
29. Fitting the empirical distribution of intertrade durations
    Physica A: Statistical Mechanics and its Applications, 2008, 387, (8), 2025-2034 View citations (28)
30. Statistical auditing and randomness test of lotto k/N-type games
    Physica A: Statistical Mechanics and its Applications, 2008, 387, (25), 6385-6390

2007

31. Activity spectrum from waiting-time distribution
    Physica A: Statistical Mechanics and its Applications, 2007, 383, (1), 43-48 View citations (4)
    See also Working Paper Activity spectrum from waiting-time distribution, Papers (2008) (2008)
32. DYNAMICS OF AVALANCHE ACTIVITIES IN FINANCIAL MARKETS
    International Journal of Modern Physics C (IJMPC), 2007, 18, (01), 119-127
33. Mixtures of compound Poisson processes as models of tick-by-tick financial data
    Chaos, Solitons & Fractals, 2007, 34, (1), 33-40 View citations (4)
    See also Working Paper Mixtures of compound Poisson processes as models of tick-by-tick financial data, Papers (2006) View citations (3) (2006)
34. Power laws from randomly sampled continuous-time random walks
    Physica A: Statistical Mechanics and its Applications, 2007, 375, (1), 233-238 View citations (1)
35. Statistical equilibrium in simple exchange games I
    The European Physical Journal B: Condensed Matter and Complex Systems, 2007, 60, (2), 271-272 View citations (10)
    Also in The European Physical Journal B: Condensed Matter and Complex Systems, 2006, 53, (2), 267-272 (2006) View citations (18)
36. Statistical equilibrium in simple exchange games II. The redistribution game
    The European Physical Journal B: Condensed Matter and Complex Systems, 2007, 60, (2), 241-246 View citations (8)
37. The value of information in a multi-agent market model
    The European Physical Journal B: Condensed Matter and Complex Systems, 2007, 55, (1), 115-120 View citations (10)
    See also Working Paper The value of information in a multi-agent market model, Papers (2007) View citations (9) (2007)
38. Volatilities, traded volumes, and the hypothesis of price increments in derivative securities
    Physica A: Statistical Mechanics and its Applications, 2007, 382, (2), 577-585

2006

39. Aggregation of Heterogeneous Interacting Agents: The Variant Representative Agent Framework
    Journal of Economic Interaction and Coordination, 2006, 1, (1), 5-19 View citations (18)
40. Coupled continuous time random walks in finance
    Physica A: Statistical Mechanics and its Applications, 2006, 370, (1), 114-118 View citations (20)
    See also Working Paper Coupled continuous time random walks in finance, Papers (2006) View citations (21) (2006)
41. Growth and allocation of resources in economics: The agent-based approach
    Physica A: Statistical Mechanics and its Applications, 2006, 370, (1), 86-90 View citations (4)
    See also Working Paper Growth and Allocation of Resources in Economics: The Agent-Based Approach, Papers (2006) View citations (4) (2006)
42. The application of continuous-time random walks in finance and economics
    Physica A: Statistical Mechanics and its Applications, 2006, 362, (2), 225-239 View citations (48)
43. Waiting times between orders and trades in double-auction markets
    Physica A: Statistical Mechanics and its Applications, 2006, 366, (C), 463-471 View citations (23)
    See also Working Paper Waiting times between orders and trades in double-auction markets, Papers (2006) View citations (25) (2006)

2004

44. Anomalous waiting times in high-frequency financial data
    Quantitative Finance, 2004, 4, (6), 695-702 View citations (20)
    See also Working Paper Anomalous waiting times in high-frequency financial data, Papers (2005) View citations (2) (2005)
45. On pricing of interest rate derivatives
    Physica A: Statistical Mechanics and its Applications, 2004, 339, (1), 189-196 View citations (2)
    See also Working Paper On pricing of interest rate derivatives, Papers (2004) View citations (2) (2004)

2002

46. Waiting-times and returns in high-frequency financial data: an empirical study
    Physica A: Statistical Mechanics and its Applications, 2002, 314, (1), 749-755 View citations (76)
    See also Working Paper Waiting-times and returns in high-frequency financial data: an empirical study, Finance (2004) View citations (4) (2004)

2000

47. Fractional calculus and continuous-time finance
    Physica A: Statistical Mechanics and its Applications, 2000, 284, (1), 376-384 View citations (142)
    See also Working Paper Fractional calculus and continuous-time finance, Finance (2004) View citations (15) (2004)
48. Fractional calculus and continuous-time finance II: the waiting-time distribution
    Physica A: Statistical Mechanics and its Applications, 2000, 287, (3), 468-481 View citations (126)
    See also Working Paper Fractional calculus and continuous-time finance II: the waiting- time distribution, Finance (2004) View citations (8) (2004)

1999

49. Correlations in the bond-future market
    Physica A: Statistical Mechanics and its Applications, 1999, 269, (1), 90-97 View citations (2)
    See also Working Paper Correlations in the Bond–Future Market, Finance (2004) (2004)
50. Morphologies in two-dimensional growth with attractive long-range interactions
    Physica A: Statistical Mechanics and its Applications, 1999, 273, (3), 217-230
51. Volatility in the Italian stock market: an empirical study
    Physica A: Statistical Mechanics and its Applications, 1999, 269, (1), 148-155 View citations (6)
    See also Working Paper Volatility in the Italian Stock Market: An Empirical Study, Finance (2004) (2004)

1998

52. Dynamic scaling of a reaction-limited decay process
    Physica A: Statistical Mechanics and its Applications, 1998, 254, (3), 348-357
53. Scaling in the market of futures
    Physica A: Statistical Mechanics and its Applications, 1998, 253, (1), 394-402 View citations (7)

1996

54. Multi-site correlation functions in two-dimensional lattice gases
    Physica A: Statistical Mechanics and its Applications, 1996, 223, (1), 149-166

1994

55. Temperature and disequilibrium dependence of cluster growth
    Physica A: Statistical Mechanics and its Applications, 1994, 203, (3), 347-358

Books

2010

1. Finitary Probabilistic Methods in Econophysics
   Cambridge Books, Cambridge University Press View citations (44)

Edited books

2020

1. Advanced Studies of Financial Technologies and Cryptocurrency Markets
   Springer Books, Springer View citations (2)

Chapters

2012

1. A stylized model for the continuous double auction
   Springer View citations (3)

2006

2. Five Years of Continuous-time Random Walks in Econophysics
   Springer View citations (16)
   See also Working Paper Five Years of Continuous-time Random Walks in Econophysics, University Library of Munich, Germany (2005) View citations (2) (2005)
3. The Waiting-Time Distribution of Trading Activity in a Double Auction Artificial Financial Market
   Springer View citations (1)

2005

4. Fraudulent Agents in an Artificial Financial Market
   Springer View citations (3)