<u>Ajinomoto will likely not have an incentive to increase or change its output of MSG.</u>
Remember, marginal cost focuses on the increase in cost additional unit of a product. Therefore, based on the limited information provided, Ajinomoto's decision will likely be based on it's market share. If the marginal cost equals zero, and it has more of the market share it will likely not influence them to change or increase their output.
Boosting or increasing productivity means that products and services are rendered effectively and efficiently to meet the demands consumers. Thus when a country improves its educational skills taught in schools to meet or match the skills employers are looking for helps improve productivity in the sense that employees are able to do specific jobs and functions demanded by employers because they have been trained with the specific skills the job demands.
Boosting productivity increases the output of production there by causing an increase in the inputs of production processes and with this increased growth productivity, the economy produces more goods and at the same time consumes more there by yielding increase in the amount of work done or produced. When productivity is boosted, it causes an increase in the growth of an economy.
In macroeconomics, excludability means that sellers can restrict people who do not pay for the product from obtaining its benefits.
Such as, if you want to see a concert at a venue, but you did not purchase tickets if the concert is held inside you are not able to go in and watch the show. You must pay for the good or service you are wanting in order to have access to it.