Which of the following would shift the sras curve to the left (ignoring any potential effect on lras)? there is an increase in government spending. the interest rate decreases, spurring investment spending. there is a technological improvement that allows firms to reduce their costs of production permanently. the government introduces a set of new regulations that make it more costly for firms to produce and sell goods and services. these regulations are expected to be permanent. the world price of oil decreases rapidly without warning but is not expected to remain at the new low level permanently. however, in the short run, it is less costly for firms to produce goods and services.