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📊 '''Economic capital model''' is a quantitative framework used by [[Definition:Insurance carrier | insurers]] and [[Definition:Reinsurance | reinsurers]] to estimate the amount of capital needed to absorb unexpected losses at a specified confidence level over a defined time horizon. Unlike [[Definition:Regulatory capital | regulatory capital]] requirements — which apply standardized formulas set by supervisors — economic capital models reflect a company's own risk profile, incorporating the specific characteristics of its [[Definition:Underwriting | underwriting]] portfolio, [[Definition:Investment portfolio | investment portfolio]], and operational exposures. These models have become central to how sophisticated insurance organizations allocate resources, price risk, and communicate financial strength to [[Definition:Rating agency | rating agencies]] and investors.

🔧 At their core, these models simulate thousands of potential loss scenarios across multiple risk categories — [[Definition:Underwriting risk | underwriting risk]], [[Definition:Market risk | market risk]], [[Definition:Credit risk | credit risk]], and [[Definition:Operational risk | operational risk]] — then aggregate results to produce a probability distribution of total losses. The capital figure is typically calibrated to a high confidence level, such as the 99.5th percentile over one year, meaning the insurer holds enough capital to remain solvent in all but the most extreme half-percent of outcomes. Frameworks like [[Definition:Solvency II | Solvency II]] in Europe explicitly permit insurers to use approved [[Definition:Internal model | internal models]] in place of the [[Definition:Standard formula | standard formula]], giving companies with advanced economic capital models a direct regulatory benefit. Correlation assumptions between risk types are critical — a model that ignores how [[Definition:Catastrophe risk | catastrophe losses]] and investment downturns can coincide will systematically understate required capital.

🎯 Robust economic capital modeling gives insurance executives a unified lens through which to evaluate strategic decisions, from entering a new [[Definition:Line of business | line of business]] to structuring a [[Definition:Reinsurance program | reinsurance program]]. By assigning capital charges to individual risks, the model enables [[Definition:Risk-adjusted return on capital (RAROC) | risk-adjusted return on capital]] analysis, ensuring that [[Definition:Premium | premiums]] adequately compensate for the capital consumed. Rating agencies such as A.M. Best, S&P, and Moody's increasingly scrutinize internal capital models as part of their assessment process, making model quality a competitive differentiator. For [[Definition:Insurtech | insurtech]] firms and newer market entrants, building credible economic capital capabilities early signals analytical maturity and strengthens relationships with capacity providers.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Solvency II]]
* [[Definition:Risk-adjusted return on capital (RAROC)]]
* [[Definition:Internal model]]
* [[Definition:Regulatory capital]]
* [[Definition:Catastrophe model]]
* [[Definition:Enterprise risk management (ERM)]]
{{Div col end}}

Definition:Economic capital model - Revision history

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