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...

Defaults often have a large influence on consumer decisions. We identify anoverlooked but practical alternative to defaults: requiring individuals to make explicitchoices for themselves. We study such ?active decisions? in the context of401(k) saving. We find that compelling new hires to make...

Economics