acquisition of a commercial mortgage loan in March 2024 as well as additional fundings on commercial mortgage loans in 2024.
General and Administrative Expenses
During the three and nine months ended September 30, 2024, general and administrative expenses decreased by $0.7 million and $0.6 million, respectively, in comparison to the corresponding period in 2023, primarily attributable to a decrease in deferred tax expense.
Advisory Fee Due to Affiliates
During the three and nine months ended September 30, 2024, the advisory fee due to affiliates decreased by $0.4 million and $1.5 million, respectively, as compared to the corresponding period in 2023 due to a decrease in our NAV.
Depreciation and Amortization
During the three and nine months ended September 30, 2024, depreciation and amortization decreased by $1.0 million and $4.1 million, respectively, in comparison to the corresponding period in 2023 primarily due to certain intangible assets being fully amortized in 2023.
Realized and Unrealized Gain (Loss) from Real Estate-Related Securities
Realized and unrealized gain (loss) from real estate-related securities changed $24.5 million from a loss of $(9.6) million for the three months ended September 30, 2023, to a gain of $14.9 million for the three months ended September 30, 2024. Realized and unrealized gain (loss) from real estate-related securities changed $16.4 million from a loss of $(4.3) million for the nine months ended September 30, 2023, to a gain of $12.1 million for the nine months ended September 30, 2024. The change was primarily driven by more favorable market conditions.
Realized and Unrealized Gain (Loss) from Real Estate Debt
Realized and unrealized gain (loss) from real estate debt changed $1.2 million from a loss of $(0.7) million for the three months ended September 30, 2023, to a gain of $0.5 million for the three months ended September 30, 2024. Realized and unrealized gain (loss) from real estate debt changed $2.9 million from a loss of $(0.4) million for the nine months ended September 30, 2023, to a gain of $2.5 million for the nine months ended September 30, 2024. The change was primarily due to the tightening of floating rate spreads.
Loss from Equity Investments in Unconsolidated International Affiliated Funds
During the three and nine months ended September 30, 2024, loss from equity investments in unconsolidated International Affiliated Funds decreased by $1.2 million and $1.7 million, respectively, as compared to the corresponding period in 2023, primarily driven by valuation increases in the office and logistics markets for ECF and APCF.
Unrealized Gain (Loss) on Commercial Mortgage Loans
During the three months ended September 30, 2024, unrealized gain (loss) on commercial mortgage loans increased by $0.4 million, compared to the corresponding period in 2023. Unrealized gain (loss) on commercial mortgage loans increased by $2.1 million from a loss of $(1.3) million for the nine months ended September 30, 2023, to a gain of $0.8 million for the nine months ended September 30, 2024. The change was primarily due to tightening spreads.
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