shameful publicity

Apparently there is little hope for this Spanish Athlete, but the following suggestions are appropriate if he and a few others will only give ear and mind

Like caterpillars dangling under trees By slender threads, and swinging in the breeze, Which filthily bewray and sore disgrace The boughs in which are bred th’ unseemly race […]

Actually, mathematical models of multi-sector growth models antedate the Harrod-Domar and Solow-Swan aggregate models.