The paper shows how commodity taxes can provide insurance to consumers when the producer price is volatile. Specific and ad valorem taxes have differing roles. The optimal specific tax is positive when demand has some elasticity. The optimal ad valorem rate is zero when demand is unit-elastic,...

Modeling the spatial aspect of growth has finally become an important subject of economics as exemplified by the increasing popularity of the new economic geography. However, new economic geography models have still not been able to develop a consistent approach to integrate innovation, space...

This paper considers the impact of reviewers on sales of products of quality unknown to consumers. Sales occur simultaneously after consideration by a reviewer with a known level of bias. Consumers observe the reviewer`s decision and a private signal. We find that: (a) with flexible prices and...

Probably the most enduring result in the theory of optimum income taxation is that,for a sufficiently thin upper tail to the skill distribution, the marginal tax rate shouldfall rather than rise with income. This paper shows that this result is highly sensitiveto a very strong informational...

This paper explores the potential of microfinance in post-conflict economies, and speci-fically examines policy considerations for the case of Iraq. It presents important condi-tions of the post-conflict economy, and examines three critical requirements for suc-cessful microfinance operations,...

This study explores individual and country-level environmental drivers of informal “seed” investment. We examine four types of informal investors based on business ownership experience (or no such experience) and close family relationship with investee (or no such relationship): “classic love...

We investigate whether the supply of Venture Capital (VC) in Germany is driven by spatial influences. The study is based on information from more than 300 VC investments made in Germany between 2004 and 2005. We find evidence that the geographical distance between a VC company and the portfolio...

It is now widely acknowledged that the entrepreneurial capacity in an economy is a key determinant of economic growth and productivity improvements. This paper uses survey data from the 15 EU Member States and the US to establish the effect of demographic and other variables on latent and actual...