Why is it important to know the interest rate on your credit card?

the higher the interest rate, the more money you will be paying back
the higher the interest rate, the less money you will be paying back
the lower the interest rate, the more credit you can open
the lower the interest rate, the more money you can spend

Many potential buyers value high-quality used cars at the full-information market price of € p1 and lemons at € p2. a limited number of potential sellers value high-quality cars at € v1 ≤ p1 and lemons at € v2 ≤ p2. everyone is risk neutral. the share of lemons among all the used cars that might be potentially sold is € θ . suppose that the buyers incur a transaction cost of $200 to purchase a car. this transaction cost is the value of their time to find a car. what is the equilibrium? is it possible that no cars are sold

Why is job security of such importance to workers?

How did the study organizers fix the game of monopoly to ensure certain players win?