上星期金磚五國（BRICS）在南非開普敦召開了外長會議，期間各國代表均發出了較為強烈的訊息，重申世界是多極化的，不能由少數國家操縱，全球秩序應該進一步向發展中國家平衡，而金磚國家在這方面的努力是不可或缺的。近年來，金磚五國逐漸被視為代表發展中國家與G7工業國抗衡的對口，爭取全球經濟事務的話語權。去年中國主辦金磚首長級峰會時，建議接納新成員並探討有關程序。在上星期的會議中，便有其他國家的代表，分別在線上線下參與一些討論環節。金磚國家的數目增加，自然提高了發展中國家的代表性。

Ding! These days, it seems that we live in a sea of nonstop, never-ending mobile notifications: every waking moment, we receive buzzes and pings that remind that we have to do things or be somewhere or respond to someone about something. Ding!

Although the benefits of physical activity on general well-being are widely acknowledged, there has been a lack of research on how it impacts outcomes at work, including job performance and health. Approximately 200 employees from the UK and China participated in a 10-day study in which the authors captured self-reported and objective physical activity data (via a wearable smart band device), as well as self- and supervisor-reported work outcomes. They uncovered some noteworthy findings about daily physical activity that impact employees and organizations, as well as a few research-backed ways to reap the many benefits of increasing your physical activity.

繼筆者上周在本欄撰寫的〈內地股票發行制度改革躍登新台階〉，本文將聚焦於全面實行股票發行註冊制（以下簡稱註冊制）之後，對內地A股市場和香港股票市場的潛在影響扼要分析如下。

註冊制是市場化程度更高的股票發行制度，為美國、英國、香港、新加坡等市場所採用，此次全面落實制度之舉，體現內地證券市場與國際證券市場進一步接軌。本文對註冊制的推展歷程作一扼要回顧，並分析新舊制度的不同特色。

As the gig economy grows, companies need to adapt to a changed incentives landscape.

Imagine you’re a successful executive at a large IT company. You’re in charge of security. Your decade-old firm is well established, selling complex, popular IT solutions to large corporations and government bodies. It’s an ordinary Saturday morning, you’re having your coffee and your phone rings. The caller informs you that your company has been subject to a massive cyberattack. Your company’s systems are compromised, and, worse, so are those of your customers. It’s your “nightmare moment”.

Shared coupons are more popular than coupons sent directly by firms, but are redeemed less often. Switching the focus to the coupon’s social benefits changes the results.