Agricultural Economics Test 1 Nddc Scholarship

The selection of a farm enterprise is a foundational, long-term decision that determines the entire nature of the farm business. Because choosing an enterprise involves a significant allocation of resources and defines the farm's primary source of income for an extended period, it is a strategic decision. Note: While the provided prompt suggested 'D' (Operational), in clinical agricultural economics, choosing an enterprise mix is a strategic/administrative function, whereas the *management* of that chosen enterprise is operational.

A decrease in demand occurs when the entire demand curve shifts to the left. This shift is caused by factors other than the price of the good itself, such as a decrease in consumer income, a change in tastes, or a decrease in the price of a substitute good. If the change were caused by a price increase of the good itself, it would be called a 'contraction of demand' (a movement along the curve), not a 'decrease in demand'.

Necessary goods have inelastic demand because consumers must have them regardless of price fluctuations. If the price of a basic necessity rises, people cannot easily reduce their consumption because there are few or no substitutes for survival. Consequently, the percentage change in quantity demanded is less than the percentage change in price. Luxury goods, by contrast, tend to have more elastic demand.

Diversified farming is a 'Type of Farming' because it describes the specific nature of the production activities. A farm is considered diversified if it has many sources of income and no single enterprise contributes more than 50% of the total income. This is distinct from a 'System of Farming', which refers to the social and institutional organization of the farm, such as collective or peasant farming.

The Marginal Productivity Theory assumes a state of perfect competition in both the product market and the factor market. In this idealised state, there are many buyers and sellers, and all factors of production are perfectly mobile and homogeneous. Under these conditions, the wage of a worker (or the price of any factor) will be exactly equal to the value of the marginal product they create. If competition were imperfect, the factor's pay would typically be less than its marginal product.

Physical factors are natural or environmental elements like climate (rainfall and temperature), topography (flat or hilly land), and soil quality. These dictate which crops can biologically grow in a certain area. Labour supply, while essential for farming, is a 'socio-economic' factor. It refers to the human resources and economic availability of workers, rather than the physical environment of the land itself.

Physical laws (like the law of gravity) are exact and universally predictable because they deal with inanimate matter. Economic laws deal with human behaviour, which is complex and influenced by many unpredictable variables. Therefore, economic laws are often expressed as 'tendencies' rather than exact certainties, and they typically rely on the 'ceteris paribus' (all other things being equal) assumption. They are more akin to social generalisations than the precise laws found in physics or chemistry.

Economics is a social science because it studies the behaviour of human beings and how they interact within society to manage scarce resources. While it uses mathematical tools similar to natural sciences, its subject matter—human choice, market trends, and societal welfare—places it firmly within the social sciences, alongside subjects like sociology and psychology.

Economics is considered a science because it uses systematic methods to study human behaviour, develops theories based on observations, and employs mathematical models to test hypotheses. It is also an art because it applies these scientific theories to solve practical, real-world problems, such as managing inflation or improving farm profitability. Therefore, it combines the rigour of scientific inquiry with the practical application of an art form.

As Alfred Marshall famously stated, economics is "a study of mankind in the ordinary business of life." While it involves the study of wealth, money, and resources, these are simply the tools used to understand how human beings make choices under conditions of scarcity. At its heart, economics seeks to explain and predict the actions and decisions of people as they strive to satisfy their needs and desires.