When there is a demand we increase prices but we decrease them if we want to sell something quickly. Businesses advertisetheir products in the media to attract more customers. A market economy is one where a government doesn't decide what can be bought and sold and/or how it is done. Technology is one of the main drivers of the market economy. Production expenditures are the amount of money companies spend to make a product. The main incentive for businesses in a market economy is making a profit. I can’t afford that car – it’s far too expensive. If there is only one producer in the market, there is no competition. Supply and consumption control what is on the market and how much it sells for.