what are the 3 sources of capital 
most businesses distinguish between working capital equity capital and debt capital although they overlap the bottom linethe word capital has several meanings depending on its context on a company balance sheet capital is money available for immediate use whether to keep the day to day business running or to launch a new initiative it may be defined on its balance sheet as working capital equity capital or debt capital depending on its origin and intended use brokerages also list trading capital that is the cash available for routine trading in the markets when economists look at capital they are most often looking at the cash in circulation within an entire economy 