This paper analyzes seller choices and outcomes in approximately 700 recent Internet auctions on eBay. The "Buy it Now" option that is available in these auctions allows the seller to supplement or replace the auction with a posted price offer. We use a structural model to control for the...

This paper analyzes seller characteristics and choices in approximately 1000 eBay auctions for a particular model of PDA. Seller characteristics include frequency of selling, reputation, and the qualities of the product sold. Seller choices include the length of the auction, information provided...

A preference for negative reciprocity is an important part of the human emotional repertoire. We model its role in sustaining cooperative behavior but highlight an intrinsic free-rider problem: the fitness benefits of negative reciprocity are dispersed throughout the entire group, but the...

We discuss how small group interactions overcome evolutionary problems that might otherwise erode vengefulness as a preference trait. The basic viability problem is that the fitness benefits of vengeance often do not cover its personal cost. Even when a sufficiently high level of vengefulness...

This paper assesses India's current fiscal situation, its likely future evolution, and impacts on the economy. We examine possible reforms of macroeconomic policy (including fiscal, monetary and exchange rate policy) and broader institutional reforms that will bear on the macroeconomic...

This paper examines several aspects of India's system of Intergovernmental Fiscal Relations (IGFR). It first reviews the origins and context within which the IGFR system was established and examines how it has evolved. It describes the nature of the system, including assignment of powers and...