The demand and supply functions of a product are given by the following equations: Qd =1500 - 2P and Qs = -1300 + 2P The government announces a program to support a price increase of $30 per kg of this grain, which imposes a price floor of $730.

What are the equilibrium price and quantity before price support policy?

What quantity of grain is purchased by the consumers, supplied by the producers and purchased by the government at the support price?

What is the change in consumer surplus, producer surplus and total surplus? What is the cost of government to implement this price support policy?

Later on, the government changes the price support policy and provides subsidy of $20 per kg sold. What is the price paid by buyers, price received by sellers, change in consumer surplus, change in producer surplus and government cost?

Problem 3: access control pokeygram, a cutting-edge new email start-up, is setting up building access for its employees. there are two types of employees: managers and engineers, and there are three departments: security, networking, and human resoures. each employee works in a single department, and each department is housed on a different floor. managers are allowed access to any floor, while engineers are allowed access only to their own floor. there are three badge-operated elevators, each going up to only one distinct floor. every employee has one badge. pokeygram wants to use the best possible access control method in order to minimize delay for the elevators (a) access control matrix, 1. which of the following would you recommend that pokeygram use: (b) access control lists, or (c) capabilities? make sure to justify your answer. 2. what, if any, would be the benefits (and/or disadvantages) of using rbac (role-based access control) in this situation? keep your solution for this problem limited to 10-12 lines of text.

Total marketing effort is a term used to describe the critical decision factors that affect demand: price, advertising, distribution, and product quality. define the variable x to represent total marketing effort. a typical model that is used to predict demand as a function of total marketing effort is based on the power function: d = axb suppose that a is a positive number. different model forms result from varying the constant b. sketch the graphs of this model for b = 0, b = 1, 0< b< 1, b< 0, and b> 1. (we encourage you to use excel to do this.) what does each model tell you about the relationship between demand and marketing effort? what assumptions are implied? are they reasonable? how would you go about selecting the appropriate model?

How is the role of government determined in the american free enterprise system?