Michael Sielski

Michael Sielski

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Knowledge at Wharton

The Psychology Behind Back-to-School Shopping

Patti Williams, Wharton associate professor of marketing, explains how back-to-school shopping blends family decisions, identity, nostalgia, budgets, and retail strategy.Read More

Knowledge @ Wharton - 8/4/2026
How Credit Risk Is Factored in Corporate Bond Spreads

Recent Wharton research explains a long-standing puzzle in bond pricing to provide a more reliable foundation for evaluating corporate credit risk.Read More

Knowledge @ Wharton - 8/3/2026
How Negotiation Skills Empower Girls

A decade-long Wharton study in Zambia found that a short course helped girls stay in school, delay marriage, and deliver strong returns on public funding at low cost.Read More

Knowledge @ Wharton - 8/3/2026