Strategic Finance - GTM

In 1976, the British statistician George Box wrote that “all models are wrong, but some are useful,” which remains a fundamental principle for anyone attempting to model the complexities of reality. Just as a map would need to be the size of a city to capture every last detail, a financial model that captures every nuance of a business would rival that business in scale. The challenge of a model builder is thus to find the balance between detail and brevity that allows a model to repres