To me, at least, the idea that changes in demand will normally be offset by Fed policy--so that they will, on average, have no effect on employment--seems both simple and entirely reasonable.
Fed policy can compensate for increases or decreases in demand in such a way that employment is not impacted.
Armed with an entry permit, visitors make first for the park headquarters, 300 km (187 miles) northeast of the national capital by road via Jerantut and 60 km (37 miles) by motor-powered longboat from Kuala Tembeling.