Where Qi is the total tonnage of grain shipped in week i, Pi is the price of shipping a ton of grain by rail, Icei is a binary variable that is equal to 1 if the Great Lakes are not navigable because of ice. Ice is included because grain could also be transported by ship when the Great Lakes were navigable. Estimate the demand equation by OLS. What is the estimated value of the demand elasticity and its standard error

Asavings account that pays interest every 3 months is said to have a interest period

Suppose jamal purchases a pair of running shoes online for $60. if his state has a sales tax on clothing of 6 percent, how much is he required to pay in state sales tax?

Popeye produces 20 cans of spinach in 8 hours. wimpy produces 15 hamburgers in 10 hours. if each hamburger trades for 1.5 cans of spinach, then: a. wimpy’s production and productivity are greater than popeye’s. b. popeye’s production is greater than wimpy’s, but his productivity is less. c. wimpy’s production is greater than popeye’s, but his productivity is less. d. popeye’s production and productivity are greater than wimpy’s.