What are the most important differences between perfectly competitive markets and unlike in perfectly competitive markets, in monopolistically competitive markets, a. firms face horizontal demand curves, and there are no barriers to entry b. firms face downward-sloping demand curves, and the products competitors sell are identical. c. firms face downward-sloping demand curves, and the products competitors sell are differentiated d. there are only a few sellers, and the products competitors sell are differentiated e. firms face downward-sloping demand arves, and there are substantial barriers to entry

Employee engagement is considered a key workplace attitude that can us to understand how an organization is doing. engaged employees can be described as those that "give their all" at work. this activity is important because it will you recognize some of the factors that contribute to, and some of the outcomes of, employee engagement. as a manager, this knowledge will you to foster a work environment where your employees are more engaged. the goal of this exercise is for you to demonstrate your understanding of the factors and outcomes of employee engagement. for each factor listed below, decide whether it is a factor that increases employee engagement, a factor that decreases employee engagement, or an outcome of employee engagement.

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

About 20 years ago, sturdy light, inc., produced a sturdy, lightweight backpack in a market that was rapidly growing. sturdy light became a leader in this market. eventually, the backpack market reached the maturity stage and slowed down. however, by this time, sturdy light had developed a strong brand name and continued to steadily lead the market. which of the following describes this scenario? a. sturdy light was a star that developed into a cash cow. b. sturdy light was a question mark that developed into a star. c. sturdy light was a dog that developed into a question mark. d. sturdy light was a cash cow that developed into a star.