How much are emerald worth in the US?

Assume that a change in government policy results in greater production of both consumer goods and investment goods? How would one construct the aggregate demand and aggregate supply model of the macro economy and how it could be used to illustrate macroeconomic problems and potential monetary and fiscal policy? What are the pros and cons of the 700-billion-dollar bailout? What is the impact of poor farming practices on the economy and rural depopulation? Who established a monopoly in banking and railroads? How much is a Japanese government ten centavos worth? A person who believed in the doctrine of laissez faire would dissaproved of? Economists make comparisons between the US type of economy and other economies around the world? What is Difference between static and dynamic model in economics? What is EXIT policy? List 6 ways in which health standards in your community may improve your chances of living longer? Is platinum more expensive than gold? What was one shilling and nine pence in 1938 worth today? When marginal cost is increasing, how does this impact the overall profitability of the business? The purpose of advertising and other forms of non-price competition by a firm is to shift it's D-Curve to right or left and make it inelastic or elastic? How has OPEC influenced the world economy? What is the role of world bank in promoting international business? Why is charitie in the tertiary sector? What describes the requirements banks must meet under a fractional reserve banking system? What is Collateral management?