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The Conversation

  • Written by Neal Hughes, Senior Economist, Australian Bureau of Agricultural and Resource Economics and Sciences (ABARES)

While drought policy raises many complex emotional, political and policy issues, it can be helpful to think of it as an insurance problem: how can we best help farmers manage climate risk?

Read more: Helping farmers in distress doesn't help them be the best: the drought relief dilemma

Drought insurance has been a long-standing goal and it’s easy to understand why. If viable, drought insurance markets could help farmers manage climate risk without the costs and potential side effects of government drought support.

Unfortunately, technical problems have hampered the development of drought insurance markets in Australia to date. However, there is hope that with improvements in technology and better data these problems could be solved, paving the way for a new generation of weather-based insurance products.

The missing market for drought insurance

Australia has well-functioning but limited markets for crop insurance. If hail or fire destroys a paddock, for example, an insured farmer will receive a payout for the value of the crop.

Read more: Recent Australian droughts may be the worst in 800 years

But multi-peril crop insurance – which covers a wide range of adverse events including drought – has failed to thrive in Australia. The international experience has been similarly uninspiring.

Better data would help crack the drought insurance problem Drought insurance could prove crucial in helping farmers to adapt to a changing climate. Lukas Coch/AAP

Many reviews have attributed these failures to information and participation problems.

Firstly, only the riskiest or most drought-prone farms may sign up for insurance (the adverse selection problem). Second, farms with insurance may put less effort into preparing for and managing drought (the moral hazard problem). Both these problems make insurance more costly to provide, resulting in higher premiums and lower uptake.

Read more: Giving environmental water to drought-stricken farmers sounds straightforward, but it's a bad idea

While these problems apply to all forms of insurance, they are particularly acute in agriculture, given the effects of drought will vary widely depending on farm-management decisions and detailed – and difficult to observe – farm characteristics such as the quality of land and livestock.

Subsidies are not the answer

Recently, farmers groups have called for tax breaks to promote multi-peril crop insurance.

Unfortunately, while tax incentives and other subsidies may increase uptake, there is no coherent case for providing more than normal tax deductibility. In fact, such subsidies could actually cause economic harm.

Insurance premiums provide important signals to farmers, promoting preparedness and adaptation. This includes promoting careful crop-planting decisions when drought risk is high. The inglorious record of farm crop insurance in the United States shows how things can go very wrong when insurance is subsidised.

Read more: Crop insurance is good for farmers, but not always for the environment

It is not surprising that previous reviews have consistently recommended against insurance subsidies, while just last year the New South Wales government rejected a similar proposal.

Index-based insurance could be a way forward

One alternative, which has been receiving increased attention in recent years, is index-based insurance. Here payouts are based on weather data rather than an assessment of actual farm damages. For example, a farmer might receive a payout if rainfall falls below an agreed threshold.

Better data would help crack the drought insurance problem In recent years, governments have promoted private drought insurance markets, but public schemes are also possible. Lukas Coch/AAP

Index-based products are largely immune to the information problems that plague standard insurance: insurers don’t need to spend time and money assessing each application, or monitoring farmers’ behaviour. Instead, insurers must solve the technical problem of designing an accurate index.

Read more: Is Australia's current drought caused by climate change? It's complicated

This index needs to be sensitive to the complex effects of weather on farms. In practice, the effect of a drought depends on many things. The amount of rainfall, its timing, the temperature and many other factors all interplay. If these factors are not taken into account, drought insurance runs into a “basis risk” problem: payouts don’t align with the climate risks faced by individual farms.

This basis risk problem is largely why index-based weather insurance products have struggled in Australia to date.

Drought insurance could be public or private

In recent years, governments have focused on promoting private drought insurance markets. However, public schemes are also possible and exist in many other countries.

A well-designed public drought insurance scheme – with premiums to cover costs – might have some advantages over private insurance. For example, governments may be better placed to absorb losses in years of severe widespread drought (although re-insurance markets might provide a way for the private sector to manage such risks).

However, public drought insurance schemes could, depending on their design, reduce demand for private insurance. This problem also extends to other forms of government drought relief: farmers may be less likely to pay for insurance if they suspect ad hoc drought assistance will be available.

Better data is essential

Ultimately, public and private insurance schemes face similar technical challenges. Solving these technical issues requires detailed data both on weather and farm outcomes.

Numerous reviews have cited data limitations as a key constraint on the Australian farm insurance sector. A recent review by ABS and ABARES highlighted the patchy and fragmented nature of existing government and industry agricultural data.

There is a good case for government to support the supply of this data, similar to the National Flood Risk Information Project established following the Australian 2011 floods. Investments in data are likely to have many applications beyond insurance, including the development of improved tools to support farm decision-making.

While drought insurance schemes have had mixed success to date, there remains some hope for the future. The emergence of “big data” collected from satellites and internet-enabled devices promises to revolutionise both farm production and risk management. In time, smart products underpinned by better data might finally help us solve the challenge of drought policy.

Authors: Neal Hughes, Senior Economist, Australian Bureau of Agricultural and Resource Economics and Sciences (ABARES)

Read more http://theconversation.com/better-data-would-help-crack-the-drought-insurance-problem-106154


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