We consider option pricing when dynamic portfolios are discretely rebalanced. The portfolio adjustments only occur after fixed relative variation of the stock price. The stock price follows a marked point process and the market is incomplete. We first characterize the equivalent martingale...

This paper evaluates the forecasting performance of a continuous stochastic volatility model with two factors of volatility (SV2F) and compares it to those of GARCH and ARFIMA models. The empirical results show that the volatility forecasting ability of the SV2F model is better than that of the...

This paper improves the analysis of the role of financial frictions in the transmission of monetary policy, by bringing together the borrowers' balance sheet channel with an additional channel working through bank capital, considering capital adequacy regulations and households' preferences for...

A 2008-ban kitört pénzügyi válság ráirányította a figyelmet a mainstream makroökonómiára, amely a válság elõrejelzésében és magyarázatában rossz teljesítményt nyújtott. Az újklasszikus és az újkeynesi iskola közötti konszenzus eredményeként létrejött DSGE-modellek...

The financing of innovation impacts on economic growth. What’s, among bank-based or market-based system, the best organizational form? The paper supports the view that both forms have to be merged into a unique approach (law and finance view) embracing not only the overall quality of the...

The paper provides evidence on what affects at the margin the cost and availability of bank credit for firms in Argentina. We study in particular how banks use different pieces of private and public information to screen firms and overcome informational asymmetries in the credit market. Some...