According to the efficient markets hypothesis, changes in stock prices are impossible to predict from public information. excessive diversification can reduce an investor’s expected portfolio returns. the stock market moves based on the changing animal spirits of investors. actively managed mutual funds should give higher returns than index funds.

Emery pharmaceutical uses an unstable chemical compound that must be kept in an environment where both temperature and humidity can be controlled. emery uses 825 pounds per month of the chemical, estimates the holding cost to be 50% of the purchase price (because of spoilage), and estimates order costs to be $48 per order. the cost schedules of two suppliers are as follows: vendor 1 vendor 2 quantity price/lb quantity price/lb 1-499 $17 1-399 $17.10 500-999 $16.75 400-799 $16.85 1000+ $16.50 800-1199 $16.60 1200+ $16.25 (a) what is the economic order quantity for each supplier? (b) what quantity should be ordered and which supplier should be used? (c) the total cost for the most economic order sire is $

If the reserve requirement is 10 percent, what amount of excess reserves does a bank acquire when a business deposits a $500 check drawn on another bank?

Three students were applying to the same graduate school. they came from schools with different grading systems. student gpa school average gpa school standard deviation thuy 2.9 3.2 0.8 vichet 83 75 20 kamala 8.6 8 0.4 which student had the best gpa when compared to other students at his school? explain how you determined your answer. (enter your standard deviation to two decimal places.) correct: your answer is correct. had the best gpa compared to other students at his school, since his gpa is 2.25 incorrect: your answer is incorrect. standard deviations correct: your answer is correct. his school's average gpa.