Giving evidence to MPs on the work and pensions select committee, Esther McVey said international evidence pointed to the effectiveness of benefit sanctions, but warned that "no system is perfect" and ideally nobody would need to be sanctioned.
In May, the work and pensions secretary, Iain Duncan Smith, was criticised by the UK's statistics watchdog for misusing figures to promote the effectiveness of the benefits cap on getting people into work.
Some studies that examined the effectiveness of child benefits have tried to overcome this issue, albeit limitedly, by using the differences in supports for childbirth between provinces (e.g., Choi and Song 2010).
In order to assess real-world effectiveness of treatments, benefits and harms should be judged and compared according to the treatment to which patients were assigned.
But some business groups are reconsidering the effectiveness of cost-benefit analysis as a check on regulations.
Extending these into help-seeking interventions in public health campaigns may contribute to reductions in help-seeking delays, and improve the effectiveness of cost-benefit interventions.
However, there is no clear support of the effectiveness and benefits of CPTED in Korea so far, based on the available data.
Individual decision-making largely influences the effectiveness of decisions and benefits of investments.
Second, even if the full potential of prevention cannot be achieved because of incomplete performance, compliance, and effectiveness, the benefits of aggressive but feasible levels of performance are still large.
Moreover, in order to compare the cost-effectiveness of alternative prevention strategies, future studies should use a standard approach to the measurement of effectiveness or benefit of the prevention strategies.
