can i use coconut oil on my hair He added: "austerity has failed and will only continue to undermine our economy in the brexit negotiations. Keynes argued that savings and investment were two interdependent variables, not two independent variables. 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". After last month's call for management, Multiyork, a furniture chain, is closing, and the folded grocery wholesaler Palmer&Harvey has nearly 3,000 jobs. Insurance companies have withdrawn or reduced the credit insurance of retailers, including Poundland and Maplin, that could affect the delivery of inventory.