Classify the following examples based on whether they were ideas proposed by the Keynesian theory or by financial and monetary theories. Assume that there exists a downward wage rigidity. a. Firm X expects a rise in the demand for their output in the? future; they will increase their employment now.
b. A stock market rise in country B leads to an increase in consumer? confidence, employment, and production. These events reinforce themselves and the virtuous cycle continues.
c. An expansionary monetary policy increases the money supply in country? A, which in turn leads to a fall in the unemployment and a rise in real GDP.
d. Three major national banks of country Y? fail, which ultimately leads to a fall in the? country's real GDP and employment.
e. Country Z is in a recession. It will remain in this state until the government stimulates aggregate demand.

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."