Can Overtime Really Boost Productivity? A Mathematical Model Reveals the Truth

Using a mathematical model that splits daily output into regular work, overtime, and associated costs, this article shows that while modest overtime can marginally increase productivity, excessive overtime leads to rapidly declining efficiency and rising health, turnover, and creativity costs, ultimately reducing total output.

Operations ManagementOvertimemathematical model

0 likes · 7 min read

Can Overtime Really Boost Productivity? A Mathematical Model Reveals the Truth

Taobao Frontend Technology

Jun 18, 2021 · R&D Management

What Open Source Taught Me: Boost Efficiency, Product Thinking, and Passion

In this reflective talk, the speaker shares a decade of open‑source experience, highlighting how documenting first, embracing asynchronous collaboration, and balancing consensus have forged efficient work habits, product‑mindset skills, and a lasting passion that shape both personal growth and professional practice.

Product Developmentasynchronous collaborationpassion

0 likes · 10 min read

What Open Source Taught Me: Boost Efficiency, Product Thinking, and Passion

58UXD

Jan 12, 2021 · Fundamentals

How to Master Focus and Boost Productivity with the 15‑45‑90 Rule

This article explores why modern workers suffer from chronic overwork, explains how managing focus through the 15‑45‑90 principle and daily rhythm can dramatically improve efficiency, and offers practical strategies—such as logical, creative, communication, and personal spaces, the 30‑30‑2 rule, gamification, and habit formation—to help designers and knowledge workers reclaim their time.

FocusPersonal Developmenthabit building

0 likes · 11 min read

How to Master Focus and Boost Productivity with the 15‑45‑90 Rule

JD Retail Technology

Oct 9, 2017 · Product Management

Applying Financial Thinking to Time Management for Product Managers

This article explains how product managers can improve their personal productivity by treating time like an investment, using a time‑ROI formula that combines task return, method, and efficiency, and provides practical guidelines for prioritizing, delegating, and reviewing work.

ROIproductivitytask prioritization

0 likes · 8 min read

Applying Financial Thinking to Time Management for Product Managers