Which of the following can affect the amount of funds available to lenders for mortgage loans?

Wage levels can influence borrowers' ability to repay loans, but they do not directly affect the supply of funds available to lenders. While higher wages may lead to increased demand for mortgages due to enhanced purchasing power, the actual funds available for lending depend more on broader economic and regulatory factors rather than individual wage levels.

Demographics, such as population growth or age distribution, can influence housing demand and, consequently, the mortgage market. However, demographic trends do not directly determine the amount of funds that lenders have available for mortgage loans. The availability of funds is more closely tied to economic policies and the financial environment than to demographic changes.

Construction and labor costs affect the housing market and can influence home prices, but they do not directly impact the availability of funds for mortgage lending. While higher construction costs may limit housing supply, the overall funds available to lenders are primarily influenced by governmental regulations and monetary policies rather than costs associated with construction.