The paper considers 18 OPEC countries that were low-income countries when oil was found. Oil has given the countries a special path to high income. Normally wealth leads to democracy, but in oil countries it leads to a consolidation of the previous authoritarian rule. Thus, in most cases, oil...

Two main theories explain the relations between the three variables. The A-theory starts from the strong correlation between income and democracy, seeing income as the causal variable. It is the democratic transition, which is the political part of the theory of the grand transition. The...

The methods used in economic research are analyzed on a sample of all 3,415 regular research papers published in 10 general interest journals every 5th year from 1997 to 2017. The papers are classified into three main groups by method: theory, experiments, and empirics. The theory and empirics...

Denmark is one of the most developed welfare states, but also a rather capitalistic state with little public ownership outside the traditional fields of the public sector and the natural monopolies of the network industries. The low level of public ownership corresponds to peoples' attitude in...

The methods used in economic research are analyzed on a sample of all 3,415 regular research papers published in 10 general interest journals every 5th year from 1997 to 2017. The papers are classified into three main groups by method: theory, experiments, and empirics. The theory and empirics...