This paper investigates the effect of the threat and occurrence of patent litigation on the private value of patent protection. Potential challenges are introduced into a renewal model as a factor in patentee decisions as to whether a patent is worth maintaining. The model yields testable...

This paper presents a case study of credit transactions in Palanpur, a north Indian village. Drawing on detailed informtion from all borrowers and lenders in the village, we examine a number of issues related to the functioning of rural credit markets. These include the segmentation of the...

This paper studies the evolution of the rural non-farm sector in India and its contribution to the decline of poverty. It scrutinizes evidence from a series of nationally representative sample surveys and confronts findings from these sources against the experience of poverty decline in a...

We study the determinants of patent suits and their outcomes over the period 1978- 1999 by linking detailed information from the U.S. patent office, the federal court system, and industry sources. The probability of being involved in a suit is heterogeneous, being much higher for valuable...

We analyse the determinants of the decline in measured research productivity (the patent/R&D ratio) using panel data on manufacturing firms in the U.S. for the period 1980-93. We focus on three factors: the level of demand, the quality of patents, and technological exhaustion. We first develop...