The diagram below illustrates a shift in the long-run aggregate supply of an economy from LRAS1 LRAS_1\,LRAS1 to LRAS2LRAS_2LRAS2.
Which of the following government policy measures is a market-based supply-side policy that would achieve this shift while simultaneously improving the government's budget balance in the short run?
An increase in state investment in vocational training programs and national infrastructure projects
The privatisation of state-owned utility providers and the deregulation of product markets
A reduction in the standard rate of corporation tax to encourage private sector capital investment
The implementation of import tariffs on foreign manufactured goods to protect domestic firms