Love Wal-Mart Stores, Inc. or hate it, you have to admire the consistent business model strategy its leaders followed to emerge as the world’s #1 retailer. They dramatically improved distribution productivity – in fact, supply chain as a revered specialty arrived with Walmart, as did a measurable bump-up in US productivity due to Walmart’s efficiency. They then leveraged growing power over its suppliers to fulfill Walmart’s compelling value promise – “everyday lowest price.” It took decades for competitors to figure out how to stop the Fortune 500 company’s march. Did leadership hubris then lead to Walmart Stores, Inc.’s weak post-recession performance? Walmart stores open at least one year lost .75% revenue each quarter over the past year while Target, Costco and Family Dollar saw same-store revenue climb. Walmart’s decline is about more than post-recession consumers shopping-up. The American consumer is still highly price-sensitive,…