49.0% 39.5% decline per period () Platform benefit 27.6% 24.4% (Equation 4) Elasticity: % improvement per 1% of 1.4% 1.3% increased cross promotion () Elasticity: % improvement per 1% of 0.7% 0.5% increased external retention () Change in platform benefit if cross -9.9% -9.0% promotion decreases from 16.5% to 10%
decline per period () 49.0% 39.5% Platform benefit (Equation 4) 27.6% 24.4% Elasticity: % improvement per 1% of increased cross promotion () 1.4% 1.3% Elasticity: % improvement per 1% of increased external retention () 0.7% 0.5% Change in platform benefit if cross promotion decreases from 16.5% to 10% -9.9% -9.0%
Customer%20Retention%20in%20a%20Platform%20World%20Dec%202017%20final%20a%20-%20revised-1.docx