The maximal invariant forms the basis of a well established theory on hypothesis testing on the covariance structure in linear regression, see Lehman (1997). This paper examines the geometry of the maximal invariant. In particular it derives explicit expressions for both Fisher information and...

In this paper we address the question whether the shift in labour supply curve is the only fundamental change capturing the negative correlation between the growth rates of productivity and employment in European countries in the last fifteen years. If this explanation is correct then the labour...

The size of government depends positively on the labor share given price-inelastic demand for public services. OECD data support this hypothesis and also show a stronger dependence under left-wing ideology because larger government employs a larger workforce. A permanent one standard deviation...

This paper analyzes the political economics of the composition of taxes. Taxes may be levied on income, or on expenditure, and the median voter is pivotal in the theoretical framework analyzed. As in Meltzer and Richard (1981) income taxes increase with inequality. Conversely expenditure taxes...