The DIW Berlin microsimulation model of business taxation BizTax allows a representative and detailed analysis of the fiscal and distributional effects of business taxation in Germany. The model is based on extrapolated individual local business tax files. We simulate essential elements of the...

We investigate how personal income taxes affect the portfolio share of personal wealth that entrepreneurs invest in their own business. In a reformulation of the standard portfolio choice model that allows for underreporting of private business income to tax authorities, we show that a fall in...

Local business profits respond to local business tax (LBT) rates that vary across municipalities. We estimate that a one percent increase in the LBT rate decreases the LBT base by 0.45 percent, based on the universe of German LBT return files, which include corporations and unincorporated...

Entrepreneurial activity is often regarded as an engine for economic growth and job creation. Through tax policy, governments possess a potential lever to influence the decisions of economic agents to start and close small businesses. In Germany, the top marginal income tax rates were reduced...