Land reforms, especially in agrarian societies, were aimed at wealth redistribution but had direct implications on agricultural productivity. Redistributing land from large estate holders to individual peasants or landless workers often meant dividing large tracts into smaller plots. In some instances, this led to increased agricultural productivity as small-scale farmers tended to utilise their land more efficiently and were personally invested in its productivity. However, in other cases, without adequate support in terms of access to credit, technology, or agricultural inputs, these new landowners struggled, leading to stagnation or even decline in agricultural output. Thus, the impact of land reforms on agricultural productivity was mixed and heavily dependent on the broader socio-economic support structure.

Welfare programmes, when well-designed and efficiently managed, can have a positive correlation with economic growth. By providing a safety net, they can reduce poverty and enhance human capital through better health, education, and overall well-being. A healthier, better-educated populace is more productive, contributing more effectively to the nation's economic output. Furthermore, welfare programmes can stimulate demand by providing the less affluent with purchasing power, which can lead to increased consumption, driving economic growth. However, if excessively funded or mismanaged, they can lead to fiscal deficits, increased taxation, or discourage work due to over-generous benefits. Thus, the correlation between welfare programmes and economic growth depends on the balance and efficiency of their implementation.

Yes, several nations resisted implementing wealth distribution policies, often due to ideological beliefs, pressure from influential elites, or concerns about economic repercussions. For instance, during the Cold War era, many countries under Western influence resisted socialist-leaning policies, fearing association with communism. In some cases, nations with strong capitalist ideologies, such as the United States, have historically resisted more aggressive wealth distribution measures, favouring market-driven solutions. Influential elites, especially in countries with significant wealth disparities, have also resisted wealth distribution policies, fearing a loss of their economic and political dominance. Lastly, concerns about potential negative impacts on economic growth and investment have deterred some nations from pursuing aggressive redistribution policies.

International organisations, such as the United Nations, World Bank, and International Monetary Fund, have played roles in influencing national wealth distribution policies, especially in developing countries. These institutions often advocate for policies that promote sustainable development, poverty reduction, and economic equality. For nations seeking financial assistance or aid, adherence to certain policy recommendations, which might include wealth distribution strategies, can be a precondition. However, these recommendations have sometimes been controversial. For example, the structural adjustment programmes (SAPs) of the 1980s and 1990s, which often came with austerity measures, were criticised for exacerbating income inequalities in some countries. Nonetheless, the influence of international organisations remains significant, shaping the discourse and sometimes the implementation of wealth distribution policies.

Progressive taxation is considered effective for wealth distribution because it directly addresses income and wealth disparities. By imposing higher tax rates on higher income brackets, it acts as a mechanism to redistribute wealth from the affluent to the less privileged sections of society. The revenues generated from progressive taxation are often used by governments to fund public welfare programmes, infrastructure, and services that primarily benefit the economically disadvantaged. Furthermore, progressive taxation can deter excessive income and wealth concentration, acting as a check against the accumulation of wealth in a few hands. By ensuring that the wealthy contribute proportionately more to public coffers, it embodies the principle of equity in taxation.