In a simple economy in which prices are constant and with no income taxes or imports, the marginal propensity to consume is 0.8. if investment increases by $50, what impact will that have on aggregate expenditure?
a) decrease by $100b) increase by $250c) increase by $100d) decrease by $250

Samantha is interested in setting up her own accounting firm and wants to specialize in the area of accounting that has experienced the most significant growth in recent years. which area of accounting should she choose as her specialty? samantha should choose as her specialty.

In canada, the reference base period for the cpi is 2002. by 2012, prices had risen by 21.6 percent since the base period. the inflation rate in canada in 2013 was 1.1 percent. calculate the cpi in canada in 2013. hint: use the information that “prices had risen by 21.6 percent since the base period” to find the cpi in 2012. use the inflation rate formula (inflation is the growth rate of the cpi) to find cpi in 2013, knowing the cpi in 2012 and the inflation rate. the cpi in canada in 2013 is round up your answer to the first decimal. 122.9 130.7 119.6 110.5

Ineed this asap miguel's boss asks him to distribute information to the entire staff about a mandatory meeting. in 1–2 sentences, describe what miguel should do.