The pressure is on to pack what you need and leave behind what you don’t, while sticking to the size and weight limits.

More than three-in-four of almost 800 respondents to the latest eZonomics online poll go on at least one vacation a year, with 16% enjoying four or more holidays annually.

Almost half – or 47% – of respondents to the latest eZonomics online poll say they are tempted to spend more freely when they are tired. Only slightly fewer, at 43%, disagree and 10% do not know.

If needing to simply convey complex ideas, one technique is to imagine explaining them to a child. Now an academic in Canada has applied this idea to behavioural economics with fun – and insightful – results.