Market makers on financial markets often act as competitiors and step into cooperations with each other at the same time. Primarily, they quote prices for investors, thus providing liquidity on the customer market. But they also trade with each other in order to reduce their inventory risk. The...

The theory of geographical markets is based on the notion that economic activity is not evenly spread and regional inequalities have an impact on the decisions of economic agents. Retail gasoline markets are almost perfect examples of geographical markets. The gasoline sold by the stations is a...

The theory of geographical markets is based on the notion that economic activity is not evenly spread and regional inequalities have an impact on the decisions of economic agents. Retail gasoline markets are almost perfect examples of geographical markets. The gasoline sold by the stations is a...

Market makers on financial markets often act as competitiors and step into cooperations with each other at the same time. Primarily, they quote prices for investors, thus providing liquidity on the customer market. But they also trade with each other in order to reduce their inventory risk. The...

We show that for any market-clearing price, average profits in a symmetric industry cannot exceed the individual profits from the Walrasian output. This immediately implies that a firm itself can guarantee to beat the market by producing the Walrasian output. This property clarifies and...

The so called classic model of tax compliance behaviour interprets the problem as an individual decision under risk made by a single taxpayer. After a concise description of this model our literature survey investigates whether the empirical results found in the literature corroborate the...

The so called classic model of tax compliance behaviour interprets the problem as an individual decision under risk made by a single taxpayer. After a concise description of this model our literature survey investigates whether the empirical results found in the literature corroborate the...

Economic decisions have been shown to depend on actual outcomes as well as perceived intentions. In this paper, we examine whether and how the relative importance of outcomes or intentions for economic decision develops with age. We report the result of ultimatum games with children, teens and...