Answer the following questions regarding the Keynesian perspective. From a Keynesian point of view, which is more likely to cause a recession: aggregate demand or aggregate supply, and why?Why do sticky wages and prices increase the impact of an economic downturn on unemployment and recession?Explain what economists mean by “menu costs”.What tradeoff is shown by a Phillips curve?What is the Keynesian prescription for recession? For inflation?How did the Keynesian perspective address the economic market failure of the Great Depression?Does it make sense that wages would be stickier downwards but not upwards? Why or why not?

"Since you have posted a question with multiple sub-parts,we will provide the solution only to the first three subparts as per our Q$A guidelines .Please repost the remaining subparts separately" According to Keynesian economics, an economy's main driver is aggregate demand, or the total amount of money that the public and private sectors spend on goods and services. The Keynesian economic model holds that all economic outcomes, from production to employment rate, depend on total spending. Demand is important—and frequently erratic—in Keynesian economics. 1. Recession's primary causes include: Demand-side shocks: Elements that cause a decline in overall demand, such as a decline in real wages for workers, a loss of consumer confidence in goods, a reduction in borrowing by the general public as a result of increased interest rates, etc. Reduced real wages for workers lower consumer disposable income, which causes the AD curve to move to the left and triggers a recession. The desire for things decreases when people lose faith in them, which causes the AD curve to shift to the left and reduced demand for goods and services. Higher interest rates make it more difficult for consumers to borrow money because they must pay more in interest. As a result, investment in the economy declines, which leads to a recession. Therefore, the main cause triggering a recession is a drop in aggregate demand.2. According to traditional economists, flexible wage and price policies aid in reestablishing economic equilibrium. If the wage is flexible, a decline in the wage rate would result from a decline in aggregate demand, and businesses would continue to employ the same number of employees. Consequently, if wages and prices are left flexible, then there would be economic equilibrium. However, Keynes disagrees with the traditional prescriptions and justifications. He argues that because wages and prices are stiff, the system does not immediately return to equilibrium. Sticky prices and wages do not bring about a return to balance, and the recession deepens.3. Keynesian finance experts advise using menu costs as one microeconomic explanation for the persistence of macroeconomic expenses, which can prevent an economy from adapting to shifting macroeconomic conditions.Economists use this term to describe any change in nominal prices. Menu costs are expenses businesses incur when altering prices. They include the impact that price changes may have on customers as well as the price of making these changes