the criticisma of the law of diminishing marginal utility

As a matter of fact, law of diminishing marginal rate of substitution conforms to the law of diminishing marginal utility.

According to law of diminishing marginal utility, as a consumer increases the consumption of a good, its marginal utility goes on diminishing.

On the contrary, if the consumption of a good decreases, its marginal utility goes on increasing.

explain the demerits of diminishing marginal utility

what is it marginal utility