This study reports on how an activity-based cost accounting (ABC) system was implemented in a service firm in the timeshare exchange industry. In addition, the study highlights the similarities of implementing ABC in a service firm and a manufacturing firm. An important contribution of this...

During Peter Drucker’s talk entitled "From Computer Literacy to Information Literacy" he discusses information systems and how they impact individual enterprises and workers. During his lecture, he talks about: the changing labor force, organization structure, command and control structure,...

Data were collected from bedding and potted plant growers serving the wholesale and retail markets to determine business characteristics, average annual gross sales, average fixed and variable costs, costs per square foot per week ($/ft²/wk) or costs per square foot per year ($/ft²/yr) and...

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...

This study is an empirical analysis of household expenditure behavior using the Linear and Quadratic Expenditure Systems. The expenditure systems are estimated using data collected in 1972 by the Departmento Administrativo Nacional de Estadisticas (DANE) of Bogota, Colombia. The Linear...

My dissertation research is composed of two parts: a theoretical part on semiparametric efficient estimation and an applied part in energy economics under different dynamic settings. The essays are related in terms of their applications as well as the way in which models are constructed and...

In the first chapter; we consider nonlinear transformations of random walks driven by thick-tailed innovations with infinite means or variances. In particular, we show how nonlinearity, nonstationarity, and thick tails interact to generate persistency in memory, and we clearly demonstrate that...