The dissertation addresses optimization problems related to the management of product variety with inventory considerations. The objective is to provide insights and tools to help companies determine the optimal level of product variety they should produce/stock and maximize revenues by...

Why did the failure of Lehman Brothers make the financial crisis dramatically worse? The financial crisis was a process of a build-up of risk during the crisis prior to the Lehman failure. Market participants tried to preserve an option or exit by shortening maturities - the "flight from...

We consider a firm that produces multiple variants of a product. Products are assembled using a combination of common and dedicated components. We characterize the optimal assortment and derive the optimal inventory levels for the common and dedicated components under various bill-of-material...

This paper empirically examines the relation between overreaction and the speed of information diffusion in the Chinese stock market. Industry-adjusted firm size and residual analyst coverage are used to proxy the speed of information diffusion. We document strong evidence that the profitability...

This paper studies the group-buying mechanism from a dynamic perspective. We consider a seller that offers a product in the form of group buying (priced low but uncertain) and spot purchasing (priced high but guaranteed). In the case of group buying, the information associated with the number of...

We consider a duopolistic Bertrand competition setting in which competing firms can turn into intermediaries. The intermediation option allows firms to take advantage of the rival firm’s low price. We then give conditions for the existence of equilibrium.

The historical focus of renewable energy policy in the UK, as in most nations, has been on supporting deployment in renewable energy sources of electricity. The adoption of ambitious EU wide targets for renewable energy has forced greater consideration of renewable energy sources of heat...