Shape of the function <i>f</i>(<i>R</i>).

Abstract

<p>The parameters are <i>β</i> = 0.03, <i>γ</i> = 0.15, <i>θ</i> = 0.45, <i>α</i> = 0.25, <i>δ</i> = 0.35, and <math><mrow><mi>k</mi><mo>¯</mo><mo>=</mo><mn>10</mn></mrow></math>.</p