Central banks could  buy shares in infrastructure projects to stimulate the economy rather than handing cash to households.

Letters: helicopter money, BCA and science

Craig Emerson ("Hedging against the next shock", August 16) is right. If "helicopter money" is the next stage of monetary easing, then it is best to spend it on economically and socially useful infrastructure.

How psychological abuse can become policy is a cost to everyone.

Letters: Refugees, dividends and farmers

Not only is the human cost to refugees incarcerated far too high, there is also a cost to us all as human beings: we are becoming accustomed to the idea that we can knowingly commit psychological abuse as a matter of policy.

There's more to technology than apps.

Letters: Innovation, strata changes and fairness

The pre-election innovation announcements by the government were welcome but the election was a huge missed opportunity from all shades of politics to take our collective heads out of the sand and to put innovation at the heart of the public expenditure agenda.