- computing and network business revenue of $3.2 billion in the first quarter of the year, rose 13%, compared to the same period last year doubled, mainly by the server memory content increase. "Manufacturing companies with complex and lengthy international supply chains, such as the automotive industry, could also face significant challenges. These developments could also have a significant impact on productivity growth. " In his theory, money supply is controlled by the central bank and is an exogenous variable with no interest rate elasticity. At this point, monetary demand depends on people's psychological "liquidity preference".