Legal knowledge is a core aspect in compliance. For law to shape behaviour, people whose conduct the law tries to influence should know the law. This chapter reviews the body of existing empirical research about legal knowledge. It assesses the extent to which laypersons and professionals know and understand legal rules across various domains including employment, family affairs, criminal justice, education and health care. This body of work shows that ignorance and misunderstanding of the law are common across these domains. There is variation and for some laws, amongst some people and in some jurisdictions, there is more or less legal knowledge. Also, the review shows that there is evidence that people tend to equate their own norms with the rules of the law. The chapter concludes by discussing what these findings mean for compliance and the way our laws try to steer human and organisational conduct. Here it questions compliance approaches that view it as a linear process from rule to behaviour.
introductionCompliance, ultimately, is about how legal rules get to shape behaviour. The most common, yet often implicit, conception of compliance involves a linear process: lawmakers develop rules; such rules are made public and enforced; people learn about these rules and the way they are implemented; they weigh the costs and benefits of obeying or breaking the rules; and they decide how to respond.Within this process, a core element is that people get to learn the rules. And, thus, legal knowledge, indicating that regulated subjects have knowledge and understanding of the rules that seek to influence their behaviour, is a core aspect of compliance. Yet, so far in the discussion on compliance, legal knowledge has not featured centrally. Darley, Carlsmith and Robinson are an important exception, as their study of people's knowledge of criminal law directly asks the question of what legal knowledge means for the so-called 'ex ante function of law', where law, rather than responding to bad behaviour from the past (ex post), tries to alter future conduct (Darley, Carlsmith and Robinson 2001). It seems at first blush that the relationship between legal knowledge and compliance is crucial and quite simple. The less people know the law, the less likely they will follow such a law. And therefore it is vital to know whether people actually know the law.