This paper empirically shows that innovation in Information Technology (IT) has become increasingly dependent on and intertwined with innovation in software. This change in the nature of IT innovation has had differential effects on the performance of the United States and Japan, two of the...

The objective of this paper is to analyze sources of labor productivity growth in the Kansas farm sector over the period 1993-2006 for a sample of 668 farms. The nonparametric production frontier method is used to decompose labor productivity growth into three components: (1) technological...

This dissertation addresses the crucial problem of how environmental policy uncertainty influences investments in energy technological change. The rising level of carbon emissions due to increasing global energy consumption calls for policy shift. In order to stem the negative consequences on...

This study attempts to explain why the transition to a market economy is skill-biased. It shows unequivocal evidence on increased skill wage premium and supply of skills in transition economies. It examines whether similar skill–favoring shifts in the Russian and U.S. economies are driven by...

We consider a variety of vintage capital models of a firm?s choice of technology under uncertaintyin the presence of adjustment costs and technology-specific learning. Similar models have beenstudied in a deterministic setting. Part of our objective is to examine the robustness of...

It is well recognized that the statistical reliability of the conventional method of estimating the effects of technological change on producer welfare is often quite poor. I present a method that enhances the statistical reliability of such estimates. I emphasize that when measuring the welfare...

Die Arbeit beschäftigt sich mit der Investition in neue, emissionsärmere Technologien, bei dem der Entscheider eine große, langfristige Investition tätigt und den dafür optimalen Zeitpunkt wählt. Dabei wird sowohl der gesamtwirtschaftliche Kontext, also die effiziente Allokation der neuen...

As networks improve and new services emerge, questions arise that affect service deployments and network choices. The Internet is arguably a successful example of a network shared by many services. However, combining heterogeneous services on the same network need not always be the right answer,...

This dissertation contains three essays that can be read independently. The first chapter examines how a debt crisis can occur and persist as a result of unanticipated, transitory, real interest rate and commodity price shocks. Using an optimal stopping framework, the debtor country's optimal...