Influential business and management ideas have tremendous influence over us. Like it or not, they shape how organizations are run and how people around the world spend their days. And Harvard Business Review has introduced and spread many of these consequential ideas since its founding in 1922.

HBR IdeaCast is taking this 100th anniversary to ask: how have these ideas changed our lives? And where are they taking us in the future? Each Thursday in October, the podcast feed will feature a bonus series: 4 Business Ideas That Changed the World.

Each week, a different HBR editor talks to world-class scholars and experts on influential business and management ideas of HBR’s first 100 years: disruptive innovation, scientific management, shareholder value, and emotional intelligence.

Listen to the conversations to better understand our work life, how far it’s come, and how far it still has to go.

Introducing 4 Business Ideas That Changed the World

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Entrepreneurship

Many people aspire to entrepreneurship but we all know it's a high-risk endeavor. Bill Aulet, the Ethernet Inventors Professor of Entrepreneurship at the MIT Sloan School of Management, has for decades studied what it takes for start-ups to succeed and advises the next generation of founders on how to do it. He discusses the key trends and changes he's seen over the past few years, and outlines concrete steps anyone can take to get a new venture -- including those within larger organizations -- off the ground. Aulet is the author of the newly updated book Disciplined Entrepreneurship: 24 Steps to a Successful Startup.

A Roadmap for Today’s Entrepreneurs

The amount of work we need to get done seems to grow daily. To avoid becoming overwhelmed, we have to become more productive than ever. Laura Mae Martin has advice on what has worked well at one of the biggest organizations in the world. She's the Executive Productivity Advisor at Google and shares the practical ways she helps her colleagues and company executives manage their time, calendars, email inboxes, and more. Martin is the author of the new book Uptime: A Practical Guide to Personal Productivity and Wellbeing.

Treat Email Like Laundry — and Other Tips from Google’s Productivity Expert

It's been nearly two decades since the term "glass cliff" was coined; it refers to the tendency for women to break through the glass ceiling to top management roles only when there is a big crisis to overcome, which makes it more difficult for them to succeed. In short, senior female leaders are often set up to fail — and this continues to happen today, as recent examples from business, politics, and academia show. Sophie Williams, a former C-suite advertising executive and global leader at Netflix, has researched why the glass cliff remains a problem and offers advice for women facing them — as well as lessons for the broader corporate world. She's the author of the book "The Glass Cliff: Why Women in Power Are Undermined - and How to Fight Back."

Why the Glass Cliff Persists

A growing number of workers are reaching retirement age around the globe. At the same time, many countries face a worker shortage, especially in critical areas like health care. Ken Dychtwald, cofounder and CEO of Age Wave, says it’s time for companies to stop overlooking this valuable labor pool, because AI alone won't alleviate the tight supply. He explains why many late-career people want to work longer. And he shares creative and often simple ways that companies can keep older workers engaged, including phased retirements, non-ageist recruiting, mentorship programs, and grandparental leave. Dychtwald is a coauthor of the HBR article "Redesigning Retirement."

Why Leaders Need to Value Their Retirement-Age Workforce

There's a lot of advice out there on how to get job interviews right, whether you're the one trying to get hired or the one evaluating the candidates. But the dos and don'ts aren't always applicable to every person. In fact, author Anna Papalia thinks we're better served by understanding and leveraging our own natural interviewing style. Having spent years as a corporate recruiter, organizational consultant, and coach to students and professions, she's conducted thousands of real and mock interviews and noticed that people tend to fall into one of four categories: charmer, examiner, challenger, or harmonizer.  She outlines the strengths and weaknesses of each and explains how this framework can help us get better from both sides of the desks. Papalia wrote the book "Interviewology: The New Science of Interviewing."

Introducing 4 Business Ideas That Changed the World

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