When real GDP grows more slowly than potential GDP, labor productivity falls. the unemployment rate rises. nominal GDP rises. the unemployment rate falls.

the unemployment rate rises.

Explanation:

Gross domestic product is the total sum of final goods and services produced in an economy within a given period which is usually a year

GDP calculated using the expenditure approach = Consumption spending by households + Investment spending by businesses + Government spending + Net export

Potential GDP is the GDP of an economy when labour and capital are employed at their sustainable rate.

Real GDP has been adjusted for inflation. It reflects the value of goods and services produced in an economy.

When the real GDP of an economy grows more slowly than potential GDP, it means that the resources in the economy, labour and capital are not employed at their sustainable rate. This is referred to as output gap. As a result of the output gap, the unemployment level rises