A methodology for measuring public agricultural research capital is developed anddescribed for the first time, new public agricultural research capital measures for each of the 48contiguous US states, 1970-1999, are presented, and a new econometric analysis of the contributionof public...

This paper presents evidence on how farmers’ decisions to adopt a new crop, sunflower,relate to the adoption choices of farmers in their social network of family and friends. Weshow that the relationship is shaped as an inverse-U, suggesting social effects are positivewhen there are few...

We hypothesize that hog production can be characterized by complementarities between newtechnologies, worker skills and farms size. Such production processes are consistent withKremer’s (1993) O-ring production theory in which a single mistake in any one of severalcomplementary tasks in a...

To reduce the competition from farmers who self-produce seed, an inbred line seed producercan switch to nondurable hybrid seed. In a two-period model we investigate the impactof crop durability on self-production, pricing and switching decisions, and we examine theimpact of license fees paid by...

This paper provides a firm-level empirical analysis on the ways in which corruption affects innovative activity. Particularly with respect to the African continent that is striving to reconcile with instability and poverty, this issue seems to be of utmost importance. Using a newly available...

This paper explores the relationship between knowledge creation, entrepreneur-ship, and economic growth in the United States over the last 150 years. Accor-ding to the “new growth theory,” investments in knowledge and human capital ge-nerate economic growth via spillovers of knowledge. But the...

This paper investigates the impacts of progressive trade openness, technological externalities,and heterogeneity of individuals on the formation of entrepreneurship in a two-countryoccupation choice model. We show that trade opening gives rise to a non-monotonic processof international...

The authors analyze the optimal replacement of assets under continuous and discontinuoustechnological change. They investigate the variable lifetime of assets in an infinite-horizonreplacement problem. Due to deterioration, the maintenance cost increases when the assetbecomes older. Because of...