Advanced Microeconomics - Consumer Theory (Marshallian and...

Question 1: Consumer Theory 1.1: In both the Marshallian and Hicksian consumer optimisation problems, it is assumed that consumers are supposed to be rational. The main focus of these problems are cost minimisation and utility maximisation, which play a huge part in consumer demand, but in real life, these are not the only problems that are considered. Also, it is assumed that every consumer’s indifference curve for two goods would be the same – they are very generalised models, and do not take into account other factors. For example, not many consumers would spend their entire budget on said goods – one thing to consider would be a consumer’s marginal propensity to consume and save. Though both of the problems provide a framework and†¦show more content†¦As the insurer doesn’t know which agents are high-risk or low risk, the company will not offer different types of full insurance to match risk-types, as high-risk agents will prefer contracts that are designed for low-ris k agents. To solve this, the insurer will offer low-risk agents less insurance – this ensures that high-risk types do not have the incentive to choose a contract for low-risk customers, as they will want more insurance, because they know they will need to claim more. This ensures that the insurance company maintains non-negative profit, as high-risk individuals cost more to insure. However, these solutions carry agency costs, because the result is less efficient than if symmetric information was present. I believe that risk neutrality of an insurance company is a sufficient condition for insurance to take place. Insurance companies are risk-neutral to maximise expected profits, therefore as the principal, will design contracts to achieve this, as well as making certain that the agent picks the desired effort (i.e to prevent a bad state of the world) for that contract, and to make sure that the agent even picks the contract in the first place. Making sure incentives are compatible, and ensuring participation by the correct risk types, are constraints on maximising expected profits. If an insurance company was risk-averse, without the availability of symmetric information, they cannot