• Asset-pricing and risk-return framing for real estate integrates CAPM-style pricing, option-like mortgage features, and cross-asset return comparisons to explain pricing and risk in property investments beyond simple cash flows [12], [5], [20], [10].

• Tax subsidies, inflation expectations, and policy instruments shape housing demand and ownership costs. The literature links federal taxes to share of homeowners, analyzes inflation impact on mortgage costs, and assesses anticipated inflation on housing market equilibrium [2], [4], [15], [13], [14], [17].

• Index construction and measurement: methods for real estate value and return indexes highlight data challenges, pricing techniques, and comparisons across index methodologies [3], [8], [10].

• Mortgage market structure and contract features: prepayment, caps, amortization, call policies, and their pricing in GNMA and ARM contexts; option-like features affecting mortgage values [18], [19], [20], [5].

• Real estate returns and portfolio implications: institutional portfolios, diversification, and comparison with other asset classes [6], [9], [10].