This discussion paper resulted in a publication in <I>Structural Change and Economic Dynamics</I>, 2013, 24, 141-156.<P> We address the notion of dynamic, endogenous diversity and its role in theories of investment and technological innovation. We develop a formal model of an innovation arising from the...</p></i>

Evolutionary and environmental economics have a potentially close relationship. This paper reviews past and identifies potential applications of evolutionary concepts and methods to environmental economics. This covers a number of themes: resource use and ecosystem management; growth and...

Exchange market pressure (EMP) measures the pressure on a currency to depreciate. It adds to the actual depreciation a weighted combination of policy instruments used to ward off depreciation, such as interest rates and foreign exchange interventions, where the weights are their effectiveness....

This discussion paper led to publication in (E.F.M. Wubben (Ed.)) 'Institutions and Regulation for Economic Growth? Public Interest versus Private Incentives', 2011, pp. 187-209, Cheltenham: Edward Elgar. <P> In the analysis of the credit crisis of 2007-2010 a clear distinction should be made...</p>

This paper examines the impact of payment choice on charitablegiving with a door-to-door fund-raising field experiment. Respondentscan donate cash only, use debit only, or have both options. Cash donations have lower visibility vis-a-vis solicitors than debit card donations. When debit replaces...

We use a classic Merton credit risk framework to argue that Islamic Banking Institutions (IBIs) face less incentive to take on risks than Conventional Banking Institutions (CBI). IBIs have less incentive for risk shifting both in and outside of distress situations. We test and confirm this...

This article presents a model in which, contrary to conventional wisdom, competi- tion can make banks more reluctant to take excessive risks: As competition intensifies and margins decline, banks face more-binding threats of failure, to which they may respond by reducing their risk-taking. Yet,...

The stock market collapse led to political tensions between generations due to the fuzzy definition of the property rights over the pension funds’ wealth. The problem is best resolved by the introduction of generational accounts. Modern consumption and portfolio theory shows that the younger...

This paper studies an intermediated market operated by middlemen with high inventory holdings. I present a directed search model in which middlemen are less likely to experience a stockout because they have the advantage of inventory capacity, relative to other sellers. The model explains why...

This paper addresses the issue of the choice of the optimalinstrument to sell new shares, this choice being price versusquantity discrimination (rationing). Previous results in theliterature (Benveniste and Wilhelm, 1990) show that the issuing firmwould be better off if allowed to use both price...