In this paper we compare the classical general equilibrium framework of Smith and Marx with the neoclassical one of Arrow and Debreu, and find that these competing paradigms of equilibrium clash on a number of critical issues--efficiency, power, the role of markets, time, the nature of...

Also published as DFAE-II Working Paper 2002-26 and as an article in: Journal of Economic Dynamics and Control, 2004, vol. 28, issue 11, pages 2297-2325

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...

The 2016 Nobel Memorial Prize in Economic Sciences was awarded to Oliver Hart and Bengt Holmström for their work on contract theory. Contract theory is a subfield of game theory where the conflict between the owner - the principal - and the CEO - or agent - is at the centre of interest. In the...

The 2016 Nobel Memorial Prize in Economic Sciences was awarded to Oliver Hart and Bengt Holmström for their work on contract theory. Contract theory is a subfield of game theory where the conflict between the owner - the principal - and the CEO - or agent - is at the centre of interest. In the...

Given that young children are under the control of their parents, if the government has a interest in either the welfare or the productivity of the former, it has no option but to act through the latter,. Parents are, in the ordynary sense....

This paper is about freedom of choice and rigidity of choice rules as incentive devices. We study the optimal design of an agent's freedom of choice when his information is endogenous and costly to acquire. We show that curtailing the agent's authority over decision-making may be optimal even if...

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...