Laffer curve Office has estimated that extending the Bush tax cuts of 2001–2003 beyond their 2010 expiration would increase deficits by $1.8 trillion over the following decade. Economist Paul Krugman contended that supply-side adherents did not fully believe that the United States income tax rate was on the "backwards-sloping" side of the curve and yet they still advocated lowering taxes to encourage investment of personal savings. Supply-side economics indicates that the simple descriptions of the Laffer curve are usually intended for pedagogical purposes only and do not represent the complex economic responses to tax policy which may be observed from such viewpoints
Law of demand higher price.Changes in demand is depicted graphically by a shift in the demand curve. On the other hand, "quantity demanded" refers to the quantity of goods consumers want for a given price, conditional on the other determinants. "Changes in quantity demanded" is depicted graphically by a movement along the demand curve. The law of demand was documented as early as 1892 by economist Alfred Marshall. Due to the law's general agreement with observation, economists have come to accept the validity of the law under most situations. Furthermore, researchers found that the success of the law of demand extends to animals