Statistics Canada says the number of job vacancies fell by 2.4 per cent in November to their lowest level since August 2021.The agency says the number of job vacancies across all sectors was down 20,700 at 850,300 for the month. Statistics Canada says the number of job vacancies fell in the professional, scientific and technical services category by 18.1 per cent, while health care and social assistance vacancies dropped 12.8 per cent. The number of vacancies in construction rose 16.6 per cent. There were 1.2 unemployed people for every job vacancy in November, up from the low of 1.0 in June." (The Globe and Mail, January 2023) (a) Explain the possible causes and effects of a decrease in job vacancies, for the economy. Clearly define the indicators from the labour market and the market for goods that you are using in your answer. (b) Explain the significance of the value "1.2 unemployed people". Identify the labour market indicator measured here and explain its relevance for the labour market