Terminology

How the Multiplier Effect Works Initial Spending (Injection): The process starts with an initial expenditure, such as the construction of a rail system. For Youngstown, this might be $1.5-$2 billion spent on infrastructure—paying contractors, engineers, and material suppliers. Direct Impact:...

GMP, or Gross Metropolitan Product, is the total economic output of a metropolitan area, analogous to Gross Domestic Product (GDP) at the national level. It measures the market value of all final goods and services produced within a specific metropolitan...