Why do indemnity insurance plans cost substantially more per capita—77% more in our study—than HMOs? We answer this question using data from a large organization’s insurance pool, covering 215,000 lives. We decompose cost differences for eight major medical conditions into...

We examine why managed care plans are less expensive than traditional indemnity insurance plans. Our database consists of the insurance experiences of over 200,000 state and local employees in Massachusetts and their families, who are insured in a single pool. Within this group, average HMO...

We examine a system of Unemployment Insurance Saving Accounts (UISAs) as an alternative to the traditional unemployment insurance system. Individuals are required to save up to 4 percent of wages in special accounts and to draw unemployment compensation from these accounts instead of taking...

The non-repetitive nature of projects, globalization, the growing number of distributed project teams, and the substantial number of high-tech projects in which the human brain is the most important resource are just few of the forces making human resource management in projects a critical...

Emotions carry social influence, as evident by emotion contagion - an unconscious process attributed to mimicking of non-verbal cues. We investigate whether emotion contagion can occur in virtual teams; specifically, the emotional influence of text-based and behavior-based cues on participants'...