1.   The main problem with this demand for money function is that of finding a method of measuring total wealth.

2.   A new system for measuring national wealth that puts a value on natural and mineral resources has been developed by the World Bank.

3.   Measuring national wealth with the addition of these novel yardsticks led to counterintuitive results.

4.   A new system of measuring wealth developed by the World Bank attempts to go beyond traditional gauges like gross national product.