Questions about earning growth

Explain why stocks with high expected earnings growth should have higher Price/Earnings ratios than stocks with low earnings growth. Is your explanation in part (a) confirmed by the findings of Fuller, Huberts and Levison (1993), "Returns to E/P strategies. Higgledy-Piggledy Growth, Analysts' Forecast Errors, and Omitted Risk Factors"? How persistent are super-high and super-low earnings growth rates from the top 20% P/E (which are the lowest 20% E/P) firms, and the bottom 20% P/E (which are the highest 20% E/P) firms