Various buy-price options occupy a significant portion of transactions in major online auction sites, although their posted-price attribute seems to run counter to the virtue of the auction mechanism. To investigate their influence on the behavior of bidders and sellers, we examine auctions at...

Recently "practicals" such as computers and clothes account for a substantial amount of the total volume in online auction marketplaces. However, as bidders for practicals may easily find the same goods elsewhere, it is likely that they bid less aggressively than bidders of rare items such as...

Capacity mechanisms are adopted around the world to guarantee appropriate level of investment in electricity generation capacity. We discuss these approaches and analyze the capacity pricing mechanisms. We apply "conjectured supply function" and "fulfillment equilibrium" approach and show that...