Investors’ Trading Activity and Information Asymmetry: Evidence from the Romanian Stock Market

Cristiana Tudor
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Cristiana Tudor: International Business and Economics Department, Bucharest University of Economic Studies, 010374 Bucharest, Romania

Risks, 2021, vol. 9, issue 8, 1-19

Abstract: This paper examines the problem of information asymmetry between foreign, local, institutional and individual investors on the Bucharest Stock Exchange (BVB) for the period 2004–2011. Using monthly returns for individual companies listed on BVB, stock market indices during the seven years period, as well as aggregate data on foreign and domestic investors (both institutional and individual) sales and purchases on the Romanian stock market, this research intends to provide an answer to the following question: Are foreign investors better informed than the domestic ones and continually achieve higher rates of return on the Romanian stock market? We compare the information advantage of the different investors’ categories by separating the stock in our data sample into two categories, namely blue-chips stocks (mostly stocks that are part of the BET index, and also containing one international stock, Erste Bank), and “regular” stocks. Subsequently, we study the explanatory power for stock returns of potential impact factors, which reflect the monthly net position of four groups of investors on the Romanian Stock market (Purchases-Sales) by employing multivariate regression models and a five variable VAR system. Ultimately, we are interested in whether investors in one particular category are consistently net buyers just before stock returns increase and are net sellers before stock returns decrease, thus suggesting they have an information advantage as compared to the domestic ones. Our aim is to provide robust empirical evidence on the nature of investors’ information asymmetry by utilising a unique data set and directly assessing relevant inter-relationships.

Keywords: market efficiency; information asymmetry; foreign investors; institutional investors; vector autoregression; Bucharest Stock Exchange (search for similar items in EconPapers)
JEL-codes: C G0 G1 G2 G3 K2 M2 M4 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jrisks:v:9:y:2021:i:8:p:149-:d:617758

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