For some queer and deplorable reason most human beings are more impressed by words than by figures, to the great disadvantage of mankind. - Jan Tinbergen

Mankind’s problems can no longer be solved by national governments. What is needed is a World Government. This can best be achieved by strengthening the United Nations system. In some cases, this would mean changing the role of UN agencies from advice-giving to implementation. But some of the most important new institutions would be financial—a World Treasury and a World Central Bank. Just as each nation has a system of income redistribution, so there should be a corresponding ‘World Financial Policy’ to be implemented by the World Bank and the World Central Bank. Some of these proposals are, no doubt, far-fetched and beyond the horizon of today’s political possibilities. But the idealist of today often turns out to be the realists of tomorrow.

As a boundary science, econometrics is younger than the adjacent regions, which fact likewise has advantages and disadvantages. As a disadvantage, the lack of an established doctrine, and also the lack of established textbooks, can be felt; as an advantage is the fresh enthusiasm, with which its students work.

The main sources of tension in today's world economy could be grouped under the following categories: