Of course this is followed by the rising salary every month. Now you earn Rp. 5,000,000 per month. This rising salary leads to your desire to reduce the time you spend everyday to wait for the bus and of course to get more convenience. You start to think about taking taxi everyday to your office. As your income has risen, you have the ability to afford the taxi fare. Assumed the taxi fare for one way is Rp 40,000. So to go back-and-forth everyday is Rp 80,000. Your spending for taxi for one month is Rp 1,600,000 (20 days x Rp 80,000). So you have Rp 3,400,000 for saving, living cost, shopping, and other expenses every month. This is quite impossible if your income still Rp 2,000,000 and you will end up with only Rp 400,000 …show more content…
Income relates to household behavior and consumers’ choices. Income, price, and wealth are factors that make the budget constraint. Budget constraint (BC) relates to indifference curve (IC) that reflects consumers’ taste. Indifference curve is a curve that shows the consumption bundles that give the consumer the same level of satisfaction. Budget constraint shows the combination of goods the consumer’s can afford given his income and the price of the goods. BC is a straight downward line while IC is a bowed inward