Although the level of income is an important indicator of development, it is an inadequate measure of the level of development. Money can buy things that can be one factor on which our life depends like food. But the quality of non-material things like freedom, security and respect cannot be bought with money. We cannot buy pollution free environment, unadulterated medicines and peace with money. Schools, colleges, parks, hospitals etc are the facilities which cannot be run individually. There has to be a collective effort of team work between the government and society in providing these to the general public. Therefore, money in your pocket cannot buy all the goods and services that you may need to live well. Income by itself is not a completely adequate indicator of material goods and services that citizens are able to use.
