• Research Fellow at BehaviourWorks Australia, Monash Sustainable Development Institute, Monash University
Offering free lightweight plastic bags causes excessive plastic use, while banning lightweight bags can increase the use of heavier plastic bags (such as bin liners). Coles’ decision brings out the worst of both worlds. PETER RAE/AAP

Why Coles’ plastic bag backflip leaves us worse off than before

Providing thicker plastic bags for free is worse than pointless. It encourages the same wasteful habits, but with more damaging material.
Healthcare workers tend to think that women are better than men at the job and that there is a bias in favour of women. Julian Smith/AAP

Gender quotas can work but it depends on how employees feel about them

The effect of gender quotas on an organisation’s performance depends on employee’s attitude towards quotas, which in turn depends on the labour market environment.

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