Fitting a nonlinear Phillips curve. The original Phillips curve dates back to Phillips (1958), who documented a nonlinear link between nominal wage growth and unemployment in the United Kingdom from ...

Nonlinear regression uses logarithmic functions, trigonometric functions, exponential functions, power functions, Lorenz curves, Gaussian functions, and other fitting methods. Key Takeaways ...

The new data provide support to the findings published in our earlier Economic Letter, “Reducing Inflation along a Nonlinear Phillips Curve” (Crust, Lansing, and Petrosky-Nadeau 2023) and the findings ...