Stock market cycles and supply side dynamics

Paul De Grauwe and Eddie Gerba ()

No 45, FinMaP-Working Papers from Collaborative EU Project FinMaP - Financial Distortions and Macroeconomic Performance: Expectations, Constraints and Interaction of Agents

Abstract: The agent-based (behavioural) model is extended to include a financial friction on the supply side. Firms finance capital purchases using external financing, but need to pay for it in advance. In addition, firm financing constraint and net worth are determined by stock market prices, which can (and will) deviate from the fundamental value. The result is that production, supply of credit and the share that firms pay to capital producers heavily depends on the stock market cycles. During phases of optimism, credit is abundant, access to production capital is easy, the cash-in-advance constraint is lax, the risks are undervalued, and production is booming. But upon reversal in market sentiment, the contraction in all these parameters is deeper and asymmetric. This is even more evident in the behavioural model since cognitive limitations of economic agents result in exacerbation of the contraction. Lastly, the behavioural model matches much of the data, including the interest rate, inflation, firm credit, firm financing spread, and bank net worth. It is also successful in matching several supply-side relations (capital-firm credit, inflation-interest rate) as well as their autocorrelations. The results from the empirical validation are favourable to the behavioural model.

Keywords: supply-side; beliefs; financial frictions; model validation (search for similar items in EconPapers)
JEL-codes: B41 C63 C68 E22 E23 E37 (search for similar items in EconPapers)
Date: 2015
New Economics Papers: this item is included in nep-hme and nep-mac
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:zbw:fmpwps:45

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