Stephan's Tuesday Picks

• Bottlenecks: Causes and macroeconomic implications (BIS)
• Mattress maker Casper to be taken private by private equity firm (CNBC)
• Net promoter 3.0 (HBR)
• Unilever to sell Lipton Tea owner to CVC Capital for $5 billion (Bloomberg)
• Starbucks and Amazon team up on first store (Fast Company)