This study quantifies the inequality of opportunity (IOp) for healthy aging in Europe. Unlike earlier studies, an objective health indicator, grip strength, is used as an outcome. Using the longitudinal data from the Survey of Health, Aging and Retirement in Europe (Wave 1-5), I introduce a...

Two types of auction were introduced on the Internet a few years ago and have rapidly been gaining widespread popularity. In both auctions, players compete for an exogenously determined prize by independently choosing an integer in some finite and common strategy space specified by the...

We investigate the identification power of a binary instrumental variable (IV) in a setting with a binary treatment and a binary mediator. We show that while IV methods allow for the existence of unobserved confounders, additional assumptions are required to recover causal parameters. We...

Two auction mechanisms are studied in which players compete with one another for an exogenously determined prize by independently submitting integer bids in some discrete and commonly known strategy space specified by the auctioneer. In the unique lowest (highest) bid auction game, the winner of...

Two types of auction were introduced on the Internet a few years ago and have rapidly been gaining widespread popularity. In both auctions, players compete for an exogenously determined prize by independently choosing an integer in some finite and common strategy space specified by the...