Suppose you are interested in investing in the stock markets of seven countries— i. e., australia, canada, germany, japan, switzerland, the united kingdom, and the united states—the same seven countries that appear in exhibit 15.9. specifically, you would like to solve for the optimal (tangency) portfolio comprising the above seven stock markets. in solving the optimal portfolio, use the input data (i. e., correlation coefficients, means, and standard deviations) provided in exhibit 15.4. the risk-free interest rate is assumed to be 0.2 percent per month and you can take a short position in any stock market.

what are the optimal weights for each of the seven stock markets? what are the risk and return of the optimal portfolio? this problem can be solved using the mptsolver. xls spreadsheet.

Jamie lee is reviewing her finances one month later. she has provided the actual amounts paid below. use the cash budget table below to her identify the variances in her budget. each answer must have a value for the assignment to be complete. enter "0" for any unused categories. actual amounts income: monthly expenses: gross monthly salary $2,315 rent obligation $260 net monthly salary $1,740 utilities/electricity $130 savings allocation: utilities/water $10 regular savings $130 utilities/cable tv $155 rainy-day savings $20 food $160 entertainment: gas/maintenance $205 cake decorating class $90 credit card payment $25 movies with friends $50 car insurance $75 clothing $145 budgeted amounts assets: monthly expenses: checking account $1,850 rent obligation $225 emergency fund savings account $4,300 utilities/electricity $75 car $5,200 utilities/water $35 computer & ipad $1,100 utilities/cable tv $120 liabilities: food $115 student loan $6,600 gas/maintenance $95 credit card balance $1,000 credit card payment $45 income: car insurance $45 gross monthly salary $2,155 clothing $45 net monthly salary $1,580 entertainment: savings allocation: cake decorating class $90 regular savings $130 movies with friends $50 rainy day savings $20

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?